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Finding the Fourth Proportional to 5,791.68, 8,686.56 and 2,093.16

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Solution

The fourth proportional to 5,791.68, 8,686.56 and 2,093.16 is: 3,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.68 : 8,686.56 = 2,093.16 : x
  2. Step 2: Convert to fraction form
    5,791.68/8,686.56 = 2,093.16/x
  3. Step 3: Cross multiply
    5,791.68x = 8,686.56 × 2,093.16
  4. Step 4: Simplify right side
    5,791.68x = 18,182,359.93
  5. Step 5: Solve for x
    x = 18,182,359.93/5,791.68
  6. Step 6: Final answer
    x = 3,139.39

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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.