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Finding the Fourth Proportional to 43,843.04, 65,786.16 and 27,198.80

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Solution

The fourth proportional to 43,843.04, 65,786.16 and 27,198.80 is: 40,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,843.04 : 65,786.16 = 27,198.80 : x
  2. Step 2: Convert to fraction form
    43,843.04/65,786.16 = 27,198.80/x
  3. Step 3: Cross multiply
    43,843.04x = 65,786.16 × 27,198.80
  4. Step 4: Simplify right side
    43,843.04x = 1,789,304,608.61
  5. Step 5: Solve for x
    x = 1,789,304,608.61/43,843.04
  6. Step 6: Final answer
    x = 40,811.60

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1.5x scale

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.