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Finding the Fourth Proportional to 44,691.60, 67,053.78 and 18,398.40

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Solution

The fourth proportional to 44,691.60, 67,053.78 and 18,398.40 is: 27,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,691.60 : 67,053.78 = 18,398.40 : x
  2. Step 2: Convert to fraction form
    44,691.60/67,053.78 = 18,398.40/x
  3. Step 3: Cross multiply
    44,691.60x = 67,053.78 × 18,398.40
  4. Step 4: Simplify right side
    44,691.60x = 1,233,682,265.95
  5. Step 5: Solve for x
    x = 1,233,682,265.95/44,691.60
  6. Step 6: Final answer
    x = 27,604.34

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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.