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Finding the Fourth Proportional to 5,344,843.60, 8,012,016.60 and 2,649,584.80

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Solution

The fourth proportional to 5,344,843.60, 8,012,016.60 and 2,649,584.80 is: 3,971,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344,843.60 : 8,012,016.60 = 2,649,584.80 : x
  2. Step 2: Convert to fraction form
    5,344,843.60/8,012,016.60 = 2,649,584.80/x
  3. Step 3: Cross multiply
    5,344,843.60x = 8,012,016.60 × 2,649,584.80
  4. Step 4: Simplify right side
    5,344,843.60x = 21,228,517,400,707.68
  5. Step 5: Solve for x
    x = 21,228,517,400,707.68/5,344,843.60
  6. Step 6: Final answer
    x = 3,971,775.23

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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.