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Finding the Fourth Proportional to 5,791.61, 8,687.41 and 4,067.93

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Solution

The fourth proportional to 5,791.61, 8,687.41 and 4,067.93 is: 6,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.61 : 8,687.41 = 4,067.93 : x
  2. Step 2: Convert to fraction form
    5,791.61/8,687.41 = 4,067.93/x
  3. Step 3: Cross multiply
    5,791.61x = 8,687.41 × 4,067.93
  4. Step 4: Simplify right side
    5,791.61x = 35,339,775.76
  5. Step 5: Solve for x
    x = 35,339,775.76/5,791.61
  6. Step 6: Final answer
    x = 6,101.89

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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.