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Finding the Fourth Proportional to 8,481.44, 11,701.68 and 5,125.52

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Solution

The fourth proportional to 8,481.44, 11,701.68 and 5,125.52 is: 7,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.44 : 11,701.68 = 5,125.52 : x
  2. Step 2: Convert to fraction form
    8,481.44/11,701.68 = 5,125.52/x
  3. Step 3: Cross multiply
    8,481.44x = 11,701.68 × 5,125.52
  4. Step 4: Simplify right side
    8,481.44x = 59,977,194.87
  5. Step 5: Solve for x
    x = 59,977,194.87/8,481.44
  6. Step 6: Final answer
    x = 7,071.58

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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.