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Finding the Fourth Proportional to 3,994,540.35, 5,982,299.46 and 2,550,751.65

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Solution

The fourth proportional to 3,994,540.35, 5,982,299.46 and 2,550,751.65 is: 3,820,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994,540.35 : 5,982,299.46 = 2,550,751.65 : x
  2. Step 2: Convert to fraction form
    3,994,540.35/5,982,299.46 = 2,550,751.65/x
  3. Step 3: Cross multiply
    3,994,540.35x = 5,982,299.46 × 2,550,751.65
  4. Step 4: Simplify right side
    3,994,540.35x = 15,259,360,188,477.61
  5. Step 5: Solve for x
    x = 15,259,360,188,477.61/3,994,540.35
  6. Step 6: Final answer
    x = 3,820,054.09

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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.