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Finding the Fourth Proportional to 62,857.73, 86,748.59 and 36,008.88

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Solution

The fourth proportional to 62,857.73, 86,748.59 and 36,008.88 is: 49,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,857.73 : 86,748.59 = 36,008.88 : x
  2. Step 2: Convert to fraction form
    62,857.73/86,748.59 = 36,008.88/x
  3. Step 3: Cross multiply
    62,857.73x = 86,748.59 × 36,008.88
  4. Step 4: Simplify right side
    62,857.73x = 3,123,719,387.43
  5. Step 5: Solve for x
    x = 3,123,719,387.43/62,857.73
  6. Step 6: Final answer
    x = 49,695.08

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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.