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Finding the Fourth Proportional to 5,658.26, 8,487.48 and 2,149.89

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Solution

The fourth proportional to 5,658.26, 8,487.48 and 2,149.89 is: 3,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.26 : 8,487.48 = 2,149.89 : x
  2. Step 2: Convert to fraction form
    5,658.26/8,487.48 = 2,149.89/x
  3. Step 3: Cross multiply
    5,658.26x = 8,487.48 × 2,149.89
  4. Step 4: Simplify right side
    5,658.26x = 18,247,148.38
  5. Step 5: Solve for x
    x = 18,247,148.38/5,658.26
  6. Step 6: Final answer
    x = 3,224.87

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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.