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Finding the Fourth Proportional to 5,791.98, 8,680.62 and 2,090.04

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Solution

The fourth proportional to 5,791.98, 8,680.62 and 2,090.04 is: 3,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.98 : 8,680.62 = 2,090.04 : x
  2. Step 2: Convert to fraction form
    5,791.98/8,680.62 = 2,090.04/x
  3. Step 3: Cross multiply
    5,791.98x = 8,680.62 × 2,090.04
  4. Step 4: Simplify right side
    5,791.98x = 18,142,843.02
  5. Step 5: Solve for x
    x = 18,142,843.02/5,791.98
  6. Step 6: Final answer
    x = 3,132.41

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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.