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Finding the Fourth Proportional to 5,793.90, 8,681.91 and 3,912.42

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Solution

The fourth proportional to 5,793.90, 8,681.91 and 3,912.42 is: 5,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793.90 : 8,681.91 = 3,912.42 : x
  2. Step 2: Convert to fraction form
    5,793.90/8,681.91 = 3,912.42/x
  3. Step 3: Cross multiply
    5,793.90x = 8,681.91 × 3,912.42
  4. Step 4: Simplify right side
    5,793.90x = 33,967,269.09
  5. Step 5: Solve for x
    x = 33,967,269.09/5,793.90
  6. Step 6: Final answer
    x = 5,862.59

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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.