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Finding the Fourth Proportional to 43,471.82, 65,193.66 and 13,882.66

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Solution

The fourth proportional to 43,471.82, 65,193.66 and 13,882.66 is: 20,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,471.82 : 65,193.66 = 13,882.66 : x
  2. Step 2: Convert to fraction form
    43,471.82/65,193.66 = 13,882.66/x
  3. Step 3: Cross multiply
    43,471.82x = 65,193.66 × 13,882.66
  4. Step 4: Simplify right side
    43,471.82x = 905,061,252.95
  5. Step 5: Solve for x
    x = 905,061,252.95/43,471.82
  6. Step 6: Final answer
    x = 20,819.49

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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.