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Finding the Fourth Proportional to 41,992.76, 62,998.03 and 13,911.23

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Solution

The fourth proportional to 41,992.76, 62,998.03 and 13,911.23 is: 20,869.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,992.76 : 62,998.03 = 13,911.23 : x
  2. Step 2: Convert to fraction form
    41,992.76/62,998.03 = 13,911.23/x
  3. Step 3: Cross multiply
    41,992.76x = 62,998.03 × 13,911.23
  4. Step 4: Simplify right side
    41,992.76x = 876,380,084.88
  5. Step 5: Solve for x
    x = 876,380,084.88/41,992.76
  6. Step 6: Final answer
    x = 20,869.79

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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.