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Finding the Fourth Proportional to 6,489,519.76, 9,734,505.96 and 2,229,657.04

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Solution

The fourth proportional to 6,489,519.76, 9,734,505.96 and 2,229,657.04 is: 3,344,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489,519.76 : 9,734,505.96 = 2,229,657.04 : x
  2. Step 2: Convert to fraction form
    6,489,519.76/9,734,505.96 = 2,229,657.04/x
  3. Step 3: Cross multiply
    6,489,519.76x = 9,734,505.96 × 2,229,657.04
  4. Step 4: Simplify right side
    6,489,519.76x = 21,704,609,744,635.96
  5. Step 5: Solve for x
    x = 21,704,609,744,635.96/6,489,519.76
  6. Step 6: Final answer
    x = 3,344,563.32

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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.