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Finding the Fourth Proportional to 18,033, 27,049.14 and 8,170.44

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Solution

The fourth proportional to 18,033, 27,049.14 and 8,170.44 is: 12,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033 : 27,049.14 = 8,170.44 : x
  2. Step 2: Convert to fraction form
    18,033/27,049.14 = 8,170.44/x
  3. Step 3: Cross multiply
    18,033x = 27,049.14 × 8,170.44
  4. Step 4: Simplify right side
    18,033x = 221,003,375.42
  5. Step 5: Solve for x
    x = 221,003,375.42/18,033
  6. Step 6: Final answer
    x = 12,255.50

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Double scale
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Similar ratio
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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.