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Finding the Fourth Proportional to 5,857.57, 8,791.55 and 2,739.27

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Solution

The fourth proportional to 5,857.57, 8,791.55 and 2,739.27 is: 4,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.57 : 8,791.55 = 2,739.27 : x
  2. Step 2: Convert to fraction form
    5,857.57/8,791.55 = 2,739.27/x
  3. Step 3: Cross multiply
    5,857.57x = 8,791.55 × 2,739.27
  4. Step 4: Simplify right side
    5,857.57x = 24,082,429.17
  5. Step 5: Solve for x
    x = 24,082,429.17/5,857.57
  6. Step 6: Final answer
    x = 4,111.33

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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.