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Finding the Fourth Proportional to 3,441.92, 5,162.90 and 844.85

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Solution

The fourth proportional to 3,441.92, 5,162.90 and 844.85 is: 1,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.92 : 5,162.90 = 844.85 : x
  2. Step 2: Convert to fraction form
    3,441.92/5,162.90 = 844.85/x
  3. Step 3: Cross multiply
    3,441.92x = 5,162.90 × 844.85
  4. Step 4: Simplify right side
    3,441.92x = 4,361,846.03
  5. Step 5: Solve for x
    x = 4,361,846.03/3,441.92
  6. Step 6: Final answer
    x = 1,267.27

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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.