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Finding the Fourth Proportional to 24,077.20, 36,067.80 and 21,190.80

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Solution

The fourth proportional to 24,077.20, 36,067.80 and 21,190.80 is: 31,743.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,077.20 : 36,067.80 = 21,190.80 : x
  2. Step 2: Convert to fraction form
    24,077.20/36,067.80 = 21,190.80/x
  3. Step 3: Cross multiply
    24,077.20x = 36,067.80 × 21,190.80
  4. Step 4: Simplify right side
    24,077.20x = 764,305,536.24
  5. Step 5: Solve for x
    x = 764,305,536.24/24,077.20
  6. Step 6: Final answer
    x = 31,743.95

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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.