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Finding the Fourth Proportional to 44,001.68, 66,001.92 and 10,722

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Solution

The fourth proportional to 44,001.68, 66,001.92 and 10,722 is: 16,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,001.68 : 66,001.92 = 10,722 : x
  2. Step 2: Convert to fraction form
    44,001.68/66,001.92 = 10,722/x
  3. Step 3: Cross multiply
    44,001.68x = 66,001.92 × 10,722
  4. Step 4: Simplify right side
    44,001.68x = 707,672,586.24
  5. Step 5: Solve for x
    x = 707,672,586.24/44,001.68
  6. Step 6: Final answer
    x = 16,082.85

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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.