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Finding the Fourth Proportional to 63,672.65, 95,503.46 and 21,551.80

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Solution

The fourth proportional to 63,672.65, 95,503.46 and 21,551.80 is: 32,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,672.65 : 95,503.46 = 21,551.80 : x
  2. Step 2: Convert to fraction form
    63,672.65/95,503.46 = 21,551.80/x
  3. Step 3: Cross multiply
    63,672.65x = 95,503.46 × 21,551.80
  4. Step 4: Simplify right side
    63,672.65x = 2,058,271,122.71
  5. Step 5: Solve for x
    x = 2,058,271,122.71/63,672.65
  6. Step 6: Final answer
    x = 32,325.83

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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.