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Finding the Fourth Proportional to 60,540.54, 90,787.77 and 27,685.50

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Solution

The fourth proportional to 60,540.54, 90,787.77 and 27,685.50 is: 41,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,540.54 : 90,787.77 = 27,685.50 : x
  2. Step 2: Convert to fraction form
    60,540.54/90,787.77 = 27,685.50/x
  3. Step 3: Cross multiply
    60,540.54x = 90,787.77 × 27,685.50
  4. Step 4: Simplify right side
    60,540.54x = 2,513,504,806.34
  5. Step 5: Solve for x
    x = 2,513,504,806.34/60,540.54
  6. Step 6: Final answer
    x = 41,517.71

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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.