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Finding the Fourth Proportional to 63,586.92, 95,380.34 and 16,839.80

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Solution

The fourth proportional to 63,586.92, 95,380.34 and 16,839.80 is: 25,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,586.92 : 95,380.34 = 16,839.80 : x
  2. Step 2: Convert to fraction form
    63,586.92/95,380.34 = 16,839.80/x
  3. Step 3: Cross multiply
    63,586.92x = 95,380.34 × 16,839.80
  4. Step 4: Simplify right side
    63,586.92x = 1,606,185,646.11
  5. Step 5: Solve for x
    x = 1,606,185,646.11/63,586.92
  6. Step 6: Final answer
    x = 25,259.68

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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.