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Finding the Fourth Proportional to 8,843.72, 13,257.62 and 3,293.18

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Solution

The fourth proportional to 8,843.72, 13,257.62 and 3,293.18 is: 4,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.72 : 13,257.62 = 3,293.18 : x
  2. Step 2: Convert to fraction form
    8,843.72/13,257.62 = 3,293.18/x
  3. Step 3: Cross multiply
    8,843.72x = 13,257.62 × 3,293.18
  4. Step 4: Simplify right side
    8,843.72x = 43,659,729.03
  5. Step 5: Solve for x
    x = 43,659,729.03/8,843.72
  6. Step 6: Final answer
    x = 4,936.81

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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.