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Finding the Fourth Proportional to 79,648.11, 119,472.15 and 32,902.20

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Solution

The fourth proportional to 79,648.11, 119,472.15 and 32,902.20 is: 49,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,648.11 : 119,472.15 = 32,902.20 : x
  2. Step 2: Convert to fraction form
    79,648.11/119,472.15 = 32,902.20/x
  3. Step 3: Cross multiply
    79,648.11x = 119,472.15 × 32,902.20
  4. Step 4: Simplify right side
    79,648.11x = 3,930,896,512.04
  5. Step 5: Solve for x
    x = 3,930,896,512.04/79,648.11
  6. Step 6: Final answer
    x = 49,353.29

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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.