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Finding the Fourth Proportional to 7,444.52, 11,161.31 and 3,551.66

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Solution

The fourth proportional to 7,444.52, 11,161.31 and 3,551.66 is: 5,324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.52 : 11,161.31 = 3,551.66 : x
  2. Step 2: Convert to fraction form
    7,444.52/11,161.31 = 3,551.66/x
  3. Step 3: Cross multiply
    7,444.52x = 11,161.31 × 3,551.66
  4. Step 4: Simplify right side
    7,444.52x = 39,641,104.71
  5. Step 5: Solve for x
    x = 39,641,104.71/7,444.52
  6. Step 6: Final answer
    x = 5,324.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.