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Finding the Fourth Proportional to 5,791.83, 8,689.26 and 2,669.28

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Solution

The fourth proportional to 5,791.83, 8,689.26 and 2,669.28 is: 4,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.83 : 8,689.26 = 2,669.28 : x
  2. Step 2: Convert to fraction form
    5,791.83/8,689.26 = 2,669.28/x
  3. Step 3: Cross multiply
    5,791.83x = 8,689.26 × 2,669.28
  4. Step 4: Simplify right side
    5,791.83x = 23,194,067.93
  5. Step 5: Solve for x
    x = 23,194,067.93/5,791.83
  6. Step 6: Final answer
    x = 4,004.62

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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.