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Finding the Fourth Proportional to 63,909.92, 95,870.64 and 17,162.48

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Solution

The fourth proportional to 63,909.92, 95,870.64 and 17,162.48 is: 25,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,909.92 : 95,870.64 = 17,162.48 : x
  2. Step 2: Convert to fraction form
    63,909.92/95,870.64 = 17,162.48/x
  3. Step 3: Cross multiply
    63,909.92x = 95,870.64 × 17,162.48
  4. Step 4: Simplify right side
    63,909.92x = 1,645,377,941.59
  5. Step 5: Solve for x
    x = 1,645,377,941.59/63,909.92
  6. Step 6: Final answer
    x = 25,745.27

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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.