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Finding the Fourth Proportional to 16,566.82, 22,861.97 and 9,013.22

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Solution

The fourth proportional to 16,566.82, 22,861.97 and 9,013.22 is: 12,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,566.82 : 22,861.97 = 9,013.22 : x
  2. Step 2: Convert to fraction form
    16,566.82/22,861.97 = 9,013.22/x
  3. Step 3: Cross multiply
    16,566.82x = 22,861.97 × 9,013.22
  4. Step 4: Simplify right side
    16,566.82x = 206,059,805.87
  5. Step 5: Solve for x
    x = 206,059,805.87/16,566.82
  6. Step 6: Final answer
    x = 12,438.10

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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.