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Finding the Fourth Proportional to 8,149.38, 11,246.01 and 4,423.38

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Solution

The fourth proportional to 8,149.38, 11,246.01 and 4,423.38 is: 6,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.38 : 11,246.01 = 4,423.38 : x
  2. Step 2: Convert to fraction form
    8,149.38/11,246.01 = 4,423.38/x
  3. Step 3: Cross multiply
    8,149.38x = 11,246.01 × 4,423.38
  4. Step 4: Simplify right side
    8,149.38x = 49,745,375.71
  5. Step 5: Solve for x
    x = 49,745,375.71/8,149.38
  6. Step 6: Final answer
    x = 6,104.19

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.