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Finding the Fourth Proportional to 63,843.88, 95,781.33 and 19,471.42

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Solution

The fourth proportional to 63,843.88, 95,781.33 and 19,471.42 is: 29,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,843.88 : 95,781.33 = 19,471.42 : x
  2. Step 2: Convert to fraction form
    63,843.88/95,781.33 = 19,471.42/x
  3. Step 3: Cross multiply
    63,843.88x = 95,781.33 × 19,471.42
  4. Step 4: Simplify right side
    63,843.88x = 1,864,998,504.59
  5. Step 5: Solve for x
    x = 1,864,998,504.59/63,843.88
  6. Step 6: Final answer
    x = 29,211.86

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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.