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Finding the Fourth Proportional to 8,062.26, 12,092.00 and 2,139.20

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Solution

The fourth proportional to 8,062.26, 12,092.00 and 2,139.20 is: 3,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.26 : 12,092.00 = 2,139.20 : x
  2. Step 2: Convert to fraction form
    8,062.26/12,092.00 = 2,139.20/x
  3. Step 3: Cross multiply
    8,062.26x = 12,092.00 × 2,139.20
  4. Step 4: Simplify right side
    8,062.26x = 25,867,135.24
  5. Step 5: Solve for x
    x = 25,867,135.24/8,062.26
  6. Step 6: Final answer
    x = 3,208.42

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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.