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Finding the Fourth Proportional to 63,996.40, 95,872.20 and 34,404.40

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Solution

The fourth proportional to 63,996.40, 95,872.20 and 34,404.40 is: 51,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,996.40 : 95,872.20 = 34,404.40 : x
  2. Step 2: Convert to fraction form
    63,996.40/95,872.20 = 34,404.40/x
  3. Step 3: Cross multiply
    63,996.40x = 95,872.20 × 34,404.40
  4. Step 4: Simplify right side
    63,996.40x = 3,298,425,517.68
  5. Step 5: Solve for x
    x = 3,298,425,517.68/63,996.40
  6. Step 6: Final answer
    x = 51,540.80

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1.5x scale

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.