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Finding the Fourth Proportional to 5,791.48, 8,687.22 and 4,067.80

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Solution

The fourth proportional to 5,791.48, 8,687.22 and 4,067.80 is: 6,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.48 : 8,687.22 = 4,067.80 : x
  2. Step 2: Convert to fraction form
    5,791.48/8,687.22 = 4,067.80/x
  3. Step 3: Cross multiply
    5,791.48x = 8,687.22 × 4,067.80
  4. Step 4: Simplify right side
    5,791.48x = 35,337,873.52
  5. Step 5: Solve for x
    x = 35,337,873.52/5,791.48
  6. Step 6: Final answer
    x = 6,101.70

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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.