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Finding the Fourth Proportional to 62,140.59, 85,754.60 and 35,283.68

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Solution

The fourth proportional to 62,140.59, 85,754.60 and 35,283.68 is: 48,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,140.59 : 85,754.60 = 35,283.68 : x
  2. Step 2: Convert to fraction form
    62,140.59/85,754.60 = 35,283.68/x
  3. Step 3: Cross multiply
    62,140.59x = 85,754.60 × 35,283.68
  4. Step 4: Simplify right side
    62,140.59x = 3,025,737,864.93
  5. Step 5: Solve for x
    x = 3,025,737,864.93/62,140.59
  6. Step 6: Final answer
    x = 48,691.81

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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.