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Finding the Fourth Proportional to 11,350.92, 15,661.94 and 6,634.30

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Solution

The fourth proportional to 11,350.92, 15,661.94 and 6,634.30 is: 9,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.92 : 15,661.94 = 6,634.30 : x
  2. Step 2: Convert to fraction form
    11,350.92/15,661.94 = 6,634.30/x
  3. Step 3: Cross multiply
    11,350.92x = 15,661.94 × 6,634.30
  4. Step 4: Simplify right side
    11,350.92x = 103,906,008.54
  5. Step 5: Solve for x
    x = 103,906,008.54/11,350.92
  6. Step 6: Final answer
    x = 9,153.97

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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.