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Finding the Fourth Proportional to 19,737.14, 29,572.88 and 13,881.42

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Solution

The fourth proportional to 19,737.14, 29,572.88 and 13,881.42 is: 20,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.14 : 29,572.88 = 13,881.42 : x
  2. Step 2: Convert to fraction form
    19,737.14/29,572.88 = 13,881.42/x
  3. Step 3: Cross multiply
    19,737.14x = 29,572.88 × 13,881.42
  4. Step 4: Simplify right side
    19,737.14x = 410,513,498.48
  5. Step 5: Solve for x
    x = 410,513,498.48/19,737.14
  6. Step 6: Final answer
    x = 20,799.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.