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Finding the Fourth Proportional to 6,392,739.88, 8,822,249.22 and 3,676,488.04

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Solution

The fourth proportional to 6,392,739.88, 8,822,249.22 and 3,676,488.04 is: 5,073,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,739.88 : 8,822,249.22 = 3,676,488.04 : x
  2. Step 2: Convert to fraction form
    6,392,739.88/8,822,249.22 = 3,676,488.04/x
  3. Step 3: Cross multiply
    6,392,739.88x = 8,822,249.22 × 3,676,488.04
  4. Step 4: Simplify right side
    6,392,739.88x = 32,434,893,743,229.33
  5. Step 5: Solve for x
    x = 32,434,893,743,229.33/6,392,739.88
  6. Step 6: Final answer
    x = 5,073,707.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.