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Finding the Fourth Proportional to 41,581, 62,372.04 and 13,879

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Solution

The fourth proportional to 41,581, 62,372.04 and 13,879 is: 20,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,581 : 62,372.04 = 13,879 : x
  2. Step 2: Convert to fraction form
    41,581/62,372.04 = 13,879/x
  3. Step 3: Cross multiply
    41,581x = 62,372.04 × 13,879
  4. Step 4: Simplify right side
    41,581x = 865,661,543.16
  5. Step 5: Solve for x
    x = 865,661,543.16/41,581
  6. Step 6: Final answer
    x = 20,818.68

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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.