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Finding the Fourth Proportional to 16,474.88, 22,734.44 and 9,761.13

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Solution

The fourth proportional to 16,474.88, 22,734.44 and 9,761.13 is: 13,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.88 : 22,734.44 = 9,761.13 : x
  2. Step 2: Convert to fraction form
    16,474.88/22,734.44 = 9,761.13/x
  3. Step 3: Cross multiply
    16,474.88x = 22,734.44 × 9,761.13
  4. Step 4: Simplify right side
    16,474.88x = 221,913,812.12
  5. Step 5: Solve for x
    x = 221,913,812.12/16,474.88
  6. Step 6: Final answer
    x = 13,469.83

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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.