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Finding the Fourth Proportional to 17,272.44, 25,910.28 and 6,885

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Solution

The fourth proportional to 17,272.44, 25,910.28 and 6,885 is: 10,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.44 : 25,910.28 = 6,885 : x
  2. Step 2: Convert to fraction form
    17,272.44/25,910.28 = 6,885/x
  3. Step 3: Cross multiply
    17,272.44x = 25,910.28 × 6,885
  4. Step 4: Simplify right side
    17,272.44x = 178,392,277.80
  5. Step 5: Solve for x
    x = 178,392,277.80/17,272.44
  6. Step 6: Final answer
    x = 10,328.15

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Why These Related Problems?

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