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Finding the Fourth Proportional to 44,819.73, 67,229.64 and 11,539.87

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Solution

The fourth proportional to 44,819.73, 67,229.64 and 11,539.87 is: 17,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,819.73 : 67,229.64 = 11,539.87 : x
  2. Step 2: Convert to fraction form
    44,819.73/67,229.64 = 11,539.87/x
  3. Step 3: Cross multiply
    44,819.73x = 67,229.64 × 11,539.87
  4. Step 4: Simplify right side
    44,819.73x = 775,821,137.67
  5. Step 5: Solve for x
    x = 775,821,137.67/44,819.73
  6. Step 6: Final answer
    x = 17,309.81

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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.