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Finding the Fourth Proportional to 6,625,757.65, 9,943,951.56 and 3,431,797.24

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Solution

The fourth proportional to 6,625,757.65, 9,943,951.56 and 3,431,797.24 is: 5,150,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625,757.65 : 9,943,951.56 = 3,431,797.24 : x
  2. Step 2: Convert to fraction form
    6,625,757.65/9,943,951.56 = 3,431,797.24/x
  3. Step 3: Cross multiply
    6,625,757.65x = 9,943,951.56 × 3,431,797.24
  4. Step 4: Simplify right side
    6,625,757.65x = 34,125,625,480,572.57
  5. Step 5: Solve for x
    x = 34,125,625,480,572.57/6,625,757.65
  6. Step 6: Final answer
    x = 5,150,448.79

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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.