{
  "name": "Proportions",
  "order": 29,
  "challenges": [
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      "id": "59a5801209a6acac5983b474",
      "title": "Proportions using LCD",
      "description": [
        ""
      ],
      "challengeSeed": [
        ""
      ],
      "tests": [
        ""
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    },
    {
      "id": "59a5801209a6acac5983a058",
      "title": "Proportions using Cross-Multiplication",
      "description": [
        ""
      ],
      "challengeSeed": [
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      "tests": [
        ""
      ]
    },
    {
      "id": "59a5801209a6acac5983a059",
      "title": "Rational Equations and Proportions",
      "description": [
        ""
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      "challengeSeed": [
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      "tests": [
        ""
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    },
    {
      "id": "59a5801209a6acac5983a060",
      "title": "Applications of Ratios and Proportions",
      "description": [
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      "challengeSeed": [
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      "tests": [
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  ]
}