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Finding the Fourth Proportional to 60,607.59, 90,787.42 and 49,402.86

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Solution

The fourth proportional to 60,607.59, 90,787.42 and 49,402.86 is: 74,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,607.59 : 90,787.42 = 49,402.86 : x
  2. Step 2: Convert to fraction form
    60,607.59/90,787.42 = 49,402.86/x
  3. Step 3: Cross multiply
    60,607.59x = 90,787.42 × 49,402.86
  4. Step 4: Simplify right side
    60,607.59x = 4,485,158,200.02
  5. Step 5: Solve for x
    x = 4,485,158,200.02/60,607.59
  6. Step 6: Final answer
    x = 74,003.24

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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.