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Finding the Fourth Proportional to 8,481.44, 11,704.38 and 4,755.44

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Solution

The fourth proportional to 8,481.44, 11,704.38 and 4,755.44 is: 6,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.44 : 11,704.38 = 4,755.44 : x
  2. Step 2: Convert to fraction form
    8,481.44/11,704.38 = 4,755.44/x
  3. Step 3: Cross multiply
    8,481.44x = 11,704.38 × 4,755.44
  4. Step 4: Simplify right side
    8,481.44x = 55,659,476.83
  5. Step 5: Solve for x
    x = 55,659,476.83/8,481.44
  6. Step 6: Final answer
    x = 6,562.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.