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Finding the Fourth Proportional to 17,328.33, 25,982.78 and 11,789.15

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Solution

The fourth proportional to 17,328.33, 25,982.78 and 11,789.15 is: 17,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.33 : 25,982.78 = 11,789.15 : x
  2. Step 2: Convert to fraction form
    17,328.33/25,982.78 = 11,789.15/x
  3. Step 3: Cross multiply
    17,328.33x = 25,982.78 × 11,789.15
  4. Step 4: Simplify right side
    17,328.33x = 306,314,701.98
  5. Step 5: Solve for x
    x = 306,314,701.98/17,328.33
  6. Step 6: Final answer
    x = 17,677.10

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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.