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Finding the Fourth Proportional to 6,680.80, 10,021.19 and 2,733.90

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Solution

The fourth proportional to 6,680.80, 10,021.19 and 2,733.90 is: 4,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.80 : 10,021.19 = 2,733.90 : x
  2. Step 2: Convert to fraction form
    6,680.80/10,021.19 = 2,733.90/x
  3. Step 3: Cross multiply
    6,680.80x = 10,021.19 × 2,733.90
  4. Step 4: Simplify right side
    6,680.80x = 27,396,959.53
  5. Step 5: Solve for x
    x = 27,396,959.53/6,680.80
  6. Step 6: Final answer
    x = 4,100.85

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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.