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Finding the Fourth Proportional to 63,600.78, 95,401.17 and 21,480.99

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Solution

The fourth proportional to 63,600.78, 95,401.17 and 21,480.99 is: 32,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,600.78 : 95,401.17 = 21,480.99 : x
  2. Step 2: Convert to fraction form
    63,600.78/95,401.17 = 21,480.99/x
  3. Step 3: Cross multiply
    63,600.78x = 95,401.17 × 21,480.99
  4. Step 4: Simplify right side
    63,600.78x = 2,049,311,578.76
  5. Step 5: Solve for x
    x = 2,049,311,578.76/63,600.78
  6. Step 6: Final answer
    x = 32,221.49

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Similar ratio
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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.