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Finding the Fourth Proportional to 39,327, 59,020.80 and 29,356.68

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Solution

The fourth proportional to 39,327, 59,020.80 and 29,356.68 is: 44,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,327 : 59,020.80 = 29,356.68 : x
  2. Step 2: Convert to fraction form
    39,327/59,020.80 = 29,356.68/x
  3. Step 3: Cross multiply
    39,327x = 59,020.80 × 29,356.68
  4. Step 4: Simplify right side
    39,327x = 1,732,654,738.94
  5. Step 5: Solve for x
    x = 1,732,654,738.94/39,327
  6. Step 6: Final answer
    x = 44,057.64

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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.