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Finding the Fourth Proportional to 62,062.92, 85,747.14 and 43,283.88

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Solution

The fourth proportional to 62,062.92, 85,747.14 and 43,283.88 is: 59,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,062.92 : 85,747.14 = 43,283.88 : x
  2. Step 2: Convert to fraction form
    62,062.92/85,747.14 = 43,283.88/x
  3. Step 3: Cross multiply
    62,062.92x = 85,747.14 × 43,283.88
  4. Step 4: Simplify right side
    62,062.92x = 3,711,468,918.10
  5. Step 5: Solve for x
    x = 3,711,468,918.10/62,062.92
  6. Step 6: Final answer
    x = 59,801.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.