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Finding the Fourth Proportional to 18,069.42, 27,104.13 and 6,375.18

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Solution

The fourth proportional to 18,069.42, 27,104.13 and 6,375.18 is: 9,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.42 : 27,104.13 = 6,375.18 : x
  2. Step 2: Convert to fraction form
    18,069.42/27,104.13 = 6,375.18/x
  3. Step 3: Cross multiply
    18,069.42x = 27,104.13 × 6,375.18
  4. Step 4: Simplify right side
    18,069.42x = 172,793,707.49
  5. Step 5: Solve for x
    x = 172,793,707.49/18,069.42
  6. Step 6: Final answer
    x = 9,562.77

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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.