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Finding the Fourth Proportional to 63,859.53, 95,789.03 and 19,486.13

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Solution

The fourth proportional to 63,859.53, 95,789.03 and 19,486.13 is: 29,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,859.53 : 95,789.03 = 19,486.13 : x
  2. Step 2: Convert to fraction form
    63,859.53/95,789.03 = 19,486.13/x
  3. Step 3: Cross multiply
    63,859.53x = 95,789.03 × 19,486.13
  4. Step 4: Simplify right side
    63,859.53x = 1,866,557,633.20
  5. Step 5: Solve for x
    x = 1,866,557,633.20/63,859.53
  6. Step 6: Final answer
    x = 29,229.12

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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.