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Finding the Fourth Proportional to 62,909.82, 86,815.80 and 36,052.92

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Solution

The fourth proportional to 62,909.82, 86,815.80 and 36,052.92 is: 49,753.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,909.82 : 86,815.80 = 36,052.92 : x
  2. Step 2: Convert to fraction form
    62,909.82/86,815.80 = 36,052.92/x
  3. Step 3: Cross multiply
    62,909.82x = 86,815.80 × 36,052.92
  4. Step 4: Simplify right side
    62,909.82x = 3,129,963,092.14
  5. Step 5: Solve for x
    x = 3,129,963,092.14/62,909.82
  6. Step 6: Final answer
    x = 49,753.17

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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.