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Finding the Fourth Proportional to 16,553.82, 22,844.18 and 9,385.09

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Solution

The fourth proportional to 16,553.82, 22,844.18 and 9,385.09 is: 12,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,553.82 : 22,844.18 = 9,385.09 : x
  2. Step 2: Convert to fraction form
    16,553.82/22,844.18 = 9,385.09/x
  3. Step 3: Cross multiply
    16,553.82x = 22,844.18 × 9,385.09
  4. Step 4: Simplify right side
    16,553.82x = 214,394,685.28
  5. Step 5: Solve for x
    x = 214,394,685.28/16,553.82
  6. Step 6: Final answer
    x = 12,951.37

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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.