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Finding the Fourth Proportional to 62,385.62, 93,489.96 and 48,279.98

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Solution

The fourth proportional to 62,385.62, 93,489.96 and 48,279.98 is: 72,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,385.62 : 93,489.96 = 48,279.98 : x
  2. Step 2: Convert to fraction form
    62,385.62/93,489.96 = 48,279.98/x
  3. Step 3: Cross multiply
    62,385.62x = 93,489.96 × 48,279.98
  4. Step 4: Simplify right side
    62,385.62x = 4,513,693,463.19
  5. Step 5: Solve for x
    x = 4,513,693,463.19/62,385.62
  6. Step 6: Final answer
    x = 72,351.51

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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.