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Finding the Fourth Proportional to 29,918.62, 44,882.25 and 9,139.42

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Solution

The fourth proportional to 29,918.62, 44,882.25 and 9,139.42 is: 13,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918.62 : 44,882.25 = 9,139.42 : x
  2. Step 2: Convert to fraction form
    29,918.62/44,882.25 = 9,139.42/x
  3. Step 3: Cross multiply
    29,918.62x = 44,882.25 × 9,139.42
  4. Step 4: Simplify right side
    29,918.62x = 410,197,733.30
  5. Step 5: Solve for x
    x = 410,197,733.30/29,918.62
  6. Step 6: Final answer
    x = 13,710.45

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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.