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Finding the Fourth Proportional to 5,791.48, 8,685.90 and 1,631.92

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Solution

The fourth proportional to 5,791.48, 8,685.90 and 1,631.92 is: 2,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.48 : 8,685.90 = 1,631.92 : x
  2. Step 2: Convert to fraction form
    5,791.48/8,685.90 = 1,631.92/x
  3. Step 3: Cross multiply
    5,791.48x = 8,685.90 × 1,631.92
  4. Step 4: Simplify right side
    5,791.48x = 14,174,693.93
  5. Step 5: Solve for x
    x = 14,174,693.93/5,791.48
  6. Step 6: Final answer
    x = 2,447.51

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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.