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Finding the Fourth Proportional to 8,481.72, 11,704.72 and 4,755.72

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Solution

The fourth proportional to 8,481.72, 11,704.72 and 4,755.72 is: 6,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.72 : 11,704.72 = 4,755.72 : x
  2. Step 2: Convert to fraction form
    8,481.72/11,704.72 = 4,755.72/x
  3. Step 3: Cross multiply
    8,481.72x = 11,704.72 × 4,755.72
  4. Step 4: Simplify right side
    8,481.72x = 55,664,371.00
  5. Step 5: Solve for x
    x = 55,664,371.00/8,481.72
  6. Step 6: Final answer
    x = 6,562.86

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