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Finding the Fourth Proportional to 8,074.26, 11,131.75 and 5,551.92

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Solution

The fourth proportional to 8,074.26, 11,131.75 and 5,551.92 is: 7,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.26 : 11,131.75 = 5,551.92 : x
  2. Step 2: Convert to fraction form
    8,074.26/11,131.75 = 5,551.92/x
  3. Step 3: Cross multiply
    8,074.26x = 11,131.75 × 5,551.92
  4. Step 4: Simplify right side
    8,074.26x = 61,802,576.71
  5. Step 5: Solve for x
    x = 61,802,576.71/8,074.26
  6. Step 6: Final answer
    x = 7,654.27

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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.