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Finding the Fourth Proportional to 36,241, 50,012.67 and 21,144.04

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Solution

The fourth proportional to 36,241, 50,012.67 and 21,144.04 is: 29,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,241 : 50,012.67 = 21,144.04 : x
  2. Step 2: Convert to fraction form
    36,241/50,012.67 = 21,144.04/x
  3. Step 3: Cross multiply
    36,241x = 50,012.67 × 21,144.04
  4. Step 4: Simplify right side
    36,241x = 1,057,469,894.99
  5. Step 5: Solve for x
    x = 1,057,469,894.99/36,241
  6. Step 6: Final answer
    x = 29,178.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.