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Finding the Fourth Proportional to 13,372,234.80, 20,057,185.80 and 4,396,786.80

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Solution

The fourth proportional to 13,372,234.80, 20,057,185.80 and 4,396,786.80 is: 6,594,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,234.80 : 20,057,185.80 = 4,396,786.80 : x
  2. Step 2: Convert to fraction form
    13,372,234.80/20,057,185.80 = 4,396,786.80/x
  3. Step 3: Cross multiply
    13,372,234.80x = 20,057,185.80 × 4,396,786.80
  4. Step 4: Simplify right side
    13,372,234.80x = 88,187,169,770,587.44
  5. Step 5: Solve for x
    x = 88,187,169,770,587.44/13,372,234.80
  6. Step 6: Final answer
    x = 6,594,796.69

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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.