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Finding the Fourth Proportional to 57,938.60, 86,898.17 and 16,375.88

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Solution

The fourth proportional to 57,938.60, 86,898.17 and 16,375.88 is: 24,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,938.60 : 86,898.17 = 16,375.88 : x
  2. Step 2: Convert to fraction form
    57,938.60/86,898.17 = 16,375.88/x
  3. Step 3: Cross multiply
    57,938.60x = 86,898.17 × 16,375.88
  4. Step 4: Simplify right side
    57,938.60x = 1,423,033,487.77
  5. Step 5: Solve for x
    x = 1,423,033,487.77/57,938.60
  6. Step 6: Final answer
    x = 24,561.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.