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Finding the Fourth Proportional to 10,755.68, 16,125.52 and 4,517.52

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Solution

The fourth proportional to 10,755.68, 16,125.52 and 4,517.52 is: 6,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.68 : 16,125.52 = 4,517.52 : x
  2. Step 2: Convert to fraction form
    10,755.68/16,125.52 = 4,517.52/x
  3. Step 3: Cross multiply
    10,755.68x = 16,125.52 × 4,517.52
  4. Step 4: Simplify right side
    10,755.68x = 72,847,359.11
  5. Step 5: Solve for x
    x = 72,847,359.11/10,755.68
  6. Step 6: Final answer
    x = 6,772.92

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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.