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Finding the Fourth Proportional to 18,168.22, 27,260.97 and 8,306.74

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Solution

The fourth proportional to 18,168.22, 27,260.97 and 8,306.74 is: 12,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.22 : 27,260.97 = 8,306.74 : x
  2. Step 2: Convert to fraction form
    18,168.22/27,260.97 = 8,306.74/x
  3. Step 3: Cross multiply
    18,168.22x = 27,260.97 × 8,306.74
  4. Step 4: Simplify right side
    18,168.22x = 226,449,789.94
  5. Step 5: Solve for x
    x = 226,449,789.94/18,168.22
  6. Step 6: Final answer
    x = 12,464.06

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1.5x scale

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.