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Finding the Fourth Proportional to 44,855.80, 67,283.16 and 13,691.14

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Solution

The fourth proportional to 44,855.80, 67,283.16 and 13,691.14 is: 20,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,855.80 : 67,283.16 = 13,691.14 : x
  2. Step 2: Convert to fraction form
    44,855.80/67,283.16 = 13,691.14/x
  3. Step 3: Cross multiply
    44,855.80x = 67,283.16 × 13,691.14
  4. Step 4: Simplify right side
    44,855.80x = 921,183,163.20
  5. Step 5: Solve for x
    x = 921,183,163.20/44,855.80
  6. Step 6: Final answer
    x = 20,536.55

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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.