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Finding the Fourth Proportional to 3,969,891, 5,954,836.50 and 1,726,029

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Solution

The fourth proportional to 3,969,891, 5,954,836.50 and 1,726,029 is: 2,589,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,891 : 5,954,836.50 = 1,726,029 : x
  2. Step 2: Convert to fraction form
    3,969,891/5,954,836.50 = 1,726,029/x
  3. Step 3: Cross multiply
    3,969,891x = 5,954,836.50 × 1,726,029
  4. Step 4: Simplify right side
    3,969,891x = 10,278,220,489,258.50
  5. Step 5: Solve for x
    x = 10,278,220,489,258.50/3,969,891
  6. Step 6: Final answer
    x = 2,589,043.50

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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.