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Finding the Fourth Proportional to 62,147.43, 85,761.03 and 37,988.84

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Solution

The fourth proportional to 62,147.43, 85,761.03 and 37,988.84 is: 52,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,147.43 : 85,761.03 = 37,988.84 : x
  2. Step 2: Convert to fraction form
    62,147.43/85,761.03 = 37,988.84/x
  3. Step 3: Cross multiply
    62,147.43x = 85,761.03 × 37,988.84
  4. Step 4: Simplify right side
    62,147.43x = 3,257,962,403.77
  5. Step 5: Solve for x
    x = 3,257,962,403.77/62,147.43
  6. Step 6: Final answer
    x = 52,423.12

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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.