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Finding the Fourth Proportional to 11,717.09, 17,553.55 and 5,787.03

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Solution

The fourth proportional to 11,717.09, 17,553.55 and 5,787.03 is: 8,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.09 : 17,553.55 = 5,787.03 : x
  2. Step 2: Convert to fraction form
    11,717.09/17,553.55 = 5,787.03/x
  3. Step 3: Cross multiply
    11,717.09x = 17,553.55 × 5,787.03
  4. Step 4: Simplify right side
    11,717.09x = 101,582,891.52
  5. Step 5: Solve for x
    x = 101,582,891.52/11,717.09
  6. Step 6: Final answer
    x = 8,669.64

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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.