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Finding the Fourth Proportional to 59,681, 89,502.38 and 19,691.04

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Solution

The fourth proportional to 59,681, 89,502.38 and 19,691.04 is: 29,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,681 : 89,502.38 = 19,691.04 : x
  2. Step 2: Convert to fraction form
    59,681/89,502.38 = 19,691.04/x
  3. Step 3: Cross multiply
    59,681x = 89,502.38 × 19,691.04
  4. Step 4: Simplify right side
    59,681x = 1,762,394,944.68
  5. Step 5: Solve for x
    x = 1,762,394,944.68/59,681
  6. Step 6: Final answer
    x = 29,530.25

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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.