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Finding the Fourth Proportional to 18,414.82, 27,622.21 and 4,563.82

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Solution

The fourth proportional to 18,414.82, 27,622.21 and 4,563.82 is: 6,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.82 : 27,622.21 = 4,563.82 : x
  2. Step 2: Convert to fraction form
    18,414.82/27,622.21 = 4,563.82/x
  3. Step 3: Cross multiply
    18,414.82x = 27,622.21 × 4,563.82
  4. Step 4: Simplify right side
    18,414.82x = 126,062,794.44
  5. Step 5: Solve for x
    x = 126,062,794.44/18,414.82
  6. Step 6: Final answer
    x = 6,845.73

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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.