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Finding the Fourth Proportional to 2,826,751.80, 4,229,759.70 and 2,080,255.80

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Solution

The fourth proportional to 2,826,751.80, 4,229,759.70 and 2,080,255.80 is: 3,112,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,751.80 : 4,229,759.70 = 2,080,255.80 : x
  2. Step 2: Convert to fraction form
    2,826,751.80/4,229,759.70 = 2,080,255.80/x
  3. Step 3: Cross multiply
    2,826,751.80x = 4,229,759.70 × 2,080,255.80
  4. Step 4: Simplify right side
    2,826,751.80x = 8,798,982,148,531.26
  5. Step 5: Solve for x
    x = 8,798,982,148,531.26/2,826,751.80
  6. Step 6: Final answer
    x = 3,112,753.71

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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.