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Finding the Fourth Proportional to 8,744.49, 12,081.49 and 6,103.69

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Solution

The fourth proportional to 8,744.49, 12,081.49 and 6,103.69 is: 8,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.49 : 12,081.49 = 6,103.69 : x
  2. Step 2: Convert to fraction form
    8,744.49/12,081.49 = 6,103.69/x
  3. Step 3: Cross multiply
    8,744.49x = 12,081.49 × 6,103.69
  4. Step 4: Simplify right side
    8,744.49x = 73,741,624.24
  5. Step 5: Solve for x
    x = 73,741,624.24/8,744.49
  6. Step 6: Final answer
    x = 8,432.92

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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.