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Finding the Fourth Proportional to 5,795,940.80, 8,685,616.80 and 4,267,697.60

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Solution

The fourth proportional to 5,795,940.80, 8,685,616.80 and 4,267,697.60 is: 6,395,439.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795,940.80 : 8,685,616.80 = 4,267,697.60 : x
  2. Step 2: Convert to fraction form
    5,795,940.80/8,685,616.80 = 4,267,697.60/x
  3. Step 3: Cross multiply
    5,795,940.80x = 8,685,616.80 × 4,267,697.60
  4. Step 4: Simplify right side
    5,795,940.80x = 37,067,585,971,879.68
  5. Step 5: Solve for x
    x = 37,067,585,971,879.68/5,795,940.80
  6. Step 6: Final answer
    x = 6,395,439.02

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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.