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Finding the Fourth Proportional to 41,469, 62,213.22 and 13,767

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Solution

The fourth proportional to 41,469, 62,213.22 and 13,767 is: 20,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,469 : 62,213.22 = 13,767 : x
  2. Step 2: Convert to fraction form
    41,469/62,213.22 = 13,767/x
  3. Step 3: Cross multiply
    41,469x = 62,213.22 × 13,767
  4. Step 4: Simplify right side
    41,469x = 856,489,399.74
  5. Step 5: Solve for x
    x = 856,489,399.74/41,469
  6. Step 6: Final answer
    x = 20,653.73

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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.