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Finding the Fourth Proportional to 3,969,658.65, 5,954,843.17 and 1,540,754.96

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Solution

The fourth proportional to 3,969,658.65, 5,954,843.17 and 1,540,754.96 is: 2,311,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,658.65 : 5,954,843.17 = 1,540,754.96 : x
  2. Step 2: Convert to fraction form
    3,969,658.65/5,954,843.17 = 1,540,754.96/x
  3. Step 3: Cross multiply
    3,969,658.65x = 5,954,843.17 × 1,540,754.96
  4. Step 4: Simplify right side
    3,969,658.65x = 9,174,954,116,573.52
  5. Step 5: Solve for x
    x = 9,174,954,116,573.52/3,969,658.65
  6. Step 6: Final answer
    x = 2,311,270.29

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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.