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Finding the Fourth Proportional to 17,713.52, 24,451.29 and 11,747.20

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Solution

The fourth proportional to 17,713.52, 24,451.29 and 11,747.20 is: 16,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,713.52 : 24,451.29 = 11,747.20 : x
  2. Step 2: Convert to fraction form
    17,713.52/24,451.29 = 11,747.20/x
  3. Step 3: Cross multiply
    17,713.52x = 24,451.29 × 11,747.20
  4. Step 4: Simplify right side
    17,713.52x = 287,234,193.89
  5. Step 5: Solve for x
    x = 287,234,193.89/17,713.52
  6. Step 6: Final answer
    x = 16,215.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.