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Finding the Fourth Proportional to 33,863.20, 50,794.80 and 15,395.20

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Solution

The fourth proportional to 33,863.20, 50,794.80 and 15,395.20 is: 23,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,863.20 : 50,794.80 = 15,395.20 : x
  2. Step 2: Convert to fraction form
    33,863.20/50,794.80 = 15,395.20/x
  3. Step 3: Cross multiply
    33,863.20x = 50,794.80 × 15,395.20
  4. Step 4: Simplify right side
    33,863.20x = 781,996,104.96
  5. Step 5: Solve for x
    x = 781,996,104.96/33,863.20
  6. Step 6: Final answer
    x = 23,092.80

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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.