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Finding the Fourth Proportional to 5,791.80, 8,684.46 and 1,895.88

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Solution

The fourth proportional to 5,791.80, 8,684.46 and 1,895.88 is: 2,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.80 : 8,684.46 = 1,895.88 : x
  2. Step 2: Convert to fraction form
    5,791.80/8,684.46 = 1,895.88/x
  3. Step 3: Cross multiply
    5,791.80x = 8,684.46 × 1,895.88
  4. Step 4: Simplify right side
    5,791.80x = 16,464,694.02
  5. Step 5: Solve for x
    x = 16,464,694.02/5,791.80
  6. Step 6: Final answer
    x = 2,842.76

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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.