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Finding the Fourth Proportional to 60,550.80, 90,761.40 and 27,265.20

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Solution

The fourth proportional to 60,550.80, 90,761.40 and 27,265.20 is: 40,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,550.80 : 90,761.40 = 27,265.20 : x
  2. Step 2: Convert to fraction form
    60,550.80/90,761.40 = 27,265.20/x
  3. Step 3: Cross multiply
    60,550.80x = 90,761.40 × 27,265.20
  4. Step 4: Simplify right side
    60,550.80x = 2,474,627,723.28
  5. Step 5: Solve for x
    x = 2,474,627,723.28/60,550.80
  6. Step 6: Final answer
    x = 40,868.62

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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.