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Finding the Fourth Proportional to 8,603.87, 11,874.33 and 5,067

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Solution

The fourth proportional to 8,603.87, 11,874.33 and 5,067 is: 6,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.87 : 11,874.33 = 5,067 : x
  2. Step 2: Convert to fraction form
    8,603.87/11,874.33 = 5,067/x
  3. Step 3: Cross multiply
    8,603.87x = 11,874.33 × 5,067
  4. Step 4: Simplify right side
    8,603.87x = 60,167,230.11
  5. Step 5: Solve for x
    x = 60,167,230.11/8,603.87
  6. Step 6: Final answer
    x = 6,993.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.