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Finding the Fourth Proportional to 17,456.62, 26,176.20 and 8,696.38

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Solution

The fourth proportional to 17,456.62, 26,176.20 and 8,696.38 is: 13,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,456.62 : 26,176.20 = 8,696.38 : x
  2. Step 2: Convert to fraction form
    17,456.62/26,176.20 = 8,696.38/x
  3. Step 3: Cross multiply
    17,456.62x = 26,176.20 × 8,696.38
  4. Step 4: Simplify right side
    17,456.62x = 227,638,182.16
  5. Step 5: Solve for x
    x = 227,638,182.16/17,456.62
  6. Step 6: Final answer
    x = 13,040.22

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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.