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Finding the Fourth Proportional to 63,908.60, 95,862.90 and 45,246.20

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Solution

The fourth proportional to 63,908.60, 95,862.90 and 45,246.20 is: 67,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,908.60 : 95,862.90 = 45,246.20 : x
  2. Step 2: Convert to fraction form
    63,908.60/95,862.90 = 45,246.20/x
  3. Step 3: Cross multiply
    63,908.60x = 95,862.90 × 45,246.20
  4. Step 4: Simplify right side
    63,908.60x = 4,337,431,945.98
  5. Step 5: Solve for x
    x = 4,337,431,945.98/63,908.60
  6. Step 6: Final answer
    x = 67,869.30

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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.