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Finding the Fourth Proportional to 3,969,659.65, 5,954,844.67 and 1,540,755.96

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Solution

The fourth proportional to 3,969,659.65, 5,954,844.67 and 1,540,755.96 is: 2,311,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,659.65 : 5,954,844.67 = 1,540,755.96 : x
  2. Step 2: Convert to fraction form
    3,969,659.65/5,954,844.67 = 1,540,755.96/x
  3. Step 3: Cross multiply
    3,969,659.65x = 5,954,844.67 × 1,540,755.96
  4. Step 4: Simplify right side
    3,969,659.65x = 9,174,962,416,176.73
  5. Step 5: Solve for x
    x = 9,174,962,416,176.73/3,969,659.65
  6. Step 6: Final answer
    x = 2,311,271.80

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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.