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Finding the Fourth Proportional to 60,961.68, 91,447.02 and 16,591.86

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Solution

The fourth proportional to 60,961.68, 91,447.02 and 16,591.86 is: 24,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,961.68 : 91,447.02 = 16,591.86 : x
  2. Step 2: Convert to fraction form
    60,961.68/91,447.02 = 16,591.86/x
  3. Step 3: Cross multiply
    60,961.68x = 91,447.02 × 16,591.86
  4. Step 4: Simplify right side
    60,961.68x = 1,517,276,153.26
  5. Step 5: Solve for x
    x = 1,517,276,153.26/60,961.68
  6. Step 6: Final answer
    x = 24,889.01

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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.