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Finding the Fourth Proportional to 5,446.81, 8,170.22 and 4,353.31

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Solution

The fourth proportional to 5,446.81, 8,170.22 and 4,353.31 is: 6,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.81 : 8,170.22 = 4,353.31 : x
  2. Step 2: Convert to fraction form
    5,446.81/8,170.22 = 4,353.31/x
  3. Step 3: Cross multiply
    5,446.81x = 8,170.22 × 4,353.31
  4. Step 4: Simplify right side
    5,446.81x = 35,567,500.43
  5. Step 5: Solve for x
    x = 35,567,500.43/5,446.81
  6. Step 6: Final answer
    x = 6,529.97

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Half scale
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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.