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Finding the Fourth Proportional to 63,920.52, 95,885.22 and 19,543.86

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Solution

The fourth proportional to 63,920.52, 95,885.22 and 19,543.86 is: 29,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,920.52 : 95,885.22 = 19,543.86 : x
  2. Step 2: Convert to fraction form
    63,920.52/95,885.22 = 19,543.86/x
  3. Step 3: Cross multiply
    63,920.52x = 95,885.22 × 19,543.86
  4. Step 4: Simplify right side
    63,920.52x = 1,873,967,315.75
  5. Step 5: Solve for x
    x = 1,873,967,315.75/63,920.52
  6. Step 6: Final answer
    x = 29,317.15

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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.