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Finding the Fourth Proportional to 60,961.76, 91,433.39 and 16,591.97

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Solution

The fourth proportional to 60,961.76, 91,433.39 and 16,591.97 is: 24,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,961.76 : 91,433.39 = 16,591.97 : x
  2. Step 2: Convert to fraction form
    60,961.76/91,433.39 = 16,591.97/x
  3. Step 3: Cross multiply
    60,961.76x = 91,433.39 × 16,591.97
  4. Step 4: Simplify right side
    60,961.76x = 1,517,060,063.88
  5. Step 5: Solve for x
    x = 1,517,060,063.88/60,961.76
  6. Step 6: Final answer
    x = 24,885.44

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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.