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Finding the Fourth Proportional to 5,847.62, 8,771.14 and 2,149.62

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Solution

The fourth proportional to 5,847.62, 8,771.14 and 2,149.62 is: 3,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.62 : 8,771.14 = 2,149.62 : x
  2. Step 2: Convert to fraction form
    5,847.62/8,771.14 = 2,149.62/x
  3. Step 3: Cross multiply
    5,847.62x = 8,771.14 × 2,149.62
  4. Step 4: Simplify right side
    5,847.62x = 18,854,593.81
  5. Step 5: Solve for x
    x = 18,854,593.81/5,847.62
  6. Step 6: Final answer
    x = 3,224.32

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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.