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Finding the Fourth Proportional to 9,092.70, 13,640.90 and 3,249.18

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Solution

The fourth proportional to 9,092.70, 13,640.90 and 3,249.18 is: 4,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,092.70 : 13,640.90 = 3,249.18 : x
  2. Step 2: Convert to fraction form
    9,092.70/13,640.90 = 3,249.18/x
  3. Step 3: Cross multiply
    9,092.70x = 13,640.90 × 3,249.18
  4. Step 4: Simplify right side
    9,092.70x = 44,321,723.22
  5. Step 5: Solve for x
    x = 44,321,723.22/9,092.70
  6. Step 6: Final answer
    x = 4,874.43

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Double scale
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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.