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Finding the Fourth Proportional to 41,494.91, 62,242.75 and 11,912.75

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Solution

The fourth proportional to 41,494.91, 62,242.75 and 11,912.75 is: 17,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,494.91 : 62,242.75 = 11,912.75 : x
  2. Step 2: Convert to fraction form
    41,494.91/62,242.75 = 11,912.75/x
  3. Step 3: Cross multiply
    41,494.91x = 62,242.75 × 11,912.75
  4. Step 4: Simplify right side
    41,494.91x = 741,482,008.85
  5. Step 5: Solve for x
    x = 741,482,008.85/41,494.91
  6. Step 6: Final answer
    x = 17,869.23

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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.