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Finding the Fourth Proportional to 63,049.50, 87,008.88 and 34,756.20

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Solution

The fourth proportional to 63,049.50, 87,008.88 and 34,756.20 is: 47,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,049.50 : 87,008.88 = 34,756.20 : x
  2. Step 2: Convert to fraction form
    63,049.50/87,008.88 = 34,756.20/x
  3. Step 3: Cross multiply
    63,049.50x = 87,008.88 × 34,756.20
  4. Step 4: Simplify right side
    63,049.50x = 3,024,098,035.06
  5. Step 5: Solve for x
    x = 3,024,098,035.06/63,049.50
  6. Step 6: Final answer
    x = 47,963.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.