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Finding the Fourth Proportional to 63,768.87, 95,565.81 and 40,353.39

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Solution

The fourth proportional to 63,768.87, 95,565.81 and 40,353.39 is: 60,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,768.87 : 95,565.81 = 40,353.39 : x
  2. Step 2: Convert to fraction form
    63,768.87/95,565.81 = 40,353.39/x
  3. Step 3: Cross multiply
    63,768.87x = 95,565.81 × 40,353.39
  4. Step 4: Simplify right side
    63,768.87x = 3,856,404,401.60
  5. Step 5: Solve for x
    x = 3,856,404,401.60/63,768.87
  6. Step 6: Final answer
    x = 60,474.72

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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.