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Finding the Fourth Proportional to 5,655.26, 8,482.89 and 3,874.56

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Solution

The fourth proportional to 5,655.26, 8,482.89 and 3,874.56 is: 5,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.26 : 8,482.89 = 3,874.56 : x
  2. Step 2: Convert to fraction form
    5,655.26/8,482.89 = 3,874.56/x
  3. Step 3: Cross multiply
    5,655.26x = 8,482.89 × 3,874.56
  4. Step 4: Simplify right side
    5,655.26x = 32,867,508.64
  5. Step 5: Solve for x
    x = 32,867,508.64/5,655.26
  6. Step 6: Final answer
    x = 5,811.85

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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.