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Finding the Fourth Proportional to 63,626.40, 95,245.20 and 49,629.60

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Solution

The fourth proportional to 63,626.40, 95,245.20 and 49,629.60 is: 74,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,626.40 : 95,245.20 = 49,629.60 : x
  2. Step 2: Convert to fraction form
    63,626.40/95,245.20 = 49,629.60/x
  3. Step 3: Cross multiply
    63,626.40x = 95,245.20 × 49,629.60
  4. Step 4: Simplify right side
    63,626.40x = 4,726,981,177.92
  5. Step 5: Solve for x
    x = 4,726,981,177.92/63,626.40
  6. Step 6: Final answer
    x = 74,292.76

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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.