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Finding the Fourth Proportional to 3,982,896.82, 5,968,694.67 and 3,068,620.66

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Solution

The fourth proportional to 3,982,896.82, 5,968,694.67 and 3,068,620.66 is: 4,598,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,896.82 : 5,968,694.67 = 3,068,620.66 : x
  2. Step 2: Convert to fraction form
    3,982,896.82/5,968,694.67 = 3,068,620.66/x
  3. Step 3: Cross multiply
    3,982,896.82x = 5,968,694.67 × 3,068,620.66
  4. Step 4: Simplify right side
    3,982,896.82x = 18,315,659,777,593.88
  5. Step 5: Solve for x
    x = 18,315,659,777,593.88/3,982,896.82
  6. Step 6: Final answer
    x = 4,598,577.52

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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.