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Finding the Fourth Proportional to 17,255.92, 25,875.78 and 7,893.28

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Solution

The fourth proportional to 17,255.92, 25,875.78 and 7,893.28 is: 11,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.92 : 25,875.78 = 7,893.28 : x
  2. Step 2: Convert to fraction form
    17,255.92/25,875.78 = 7,893.28/x
  3. Step 3: Cross multiply
    17,255.92x = 25,875.78 × 7,893.28
  4. Step 4: Simplify right side
    17,255.92x = 204,244,776.76
  5. Step 5: Solve for x
    x = 204,244,776.76/17,255.92
  6. Step 6: Final answer
    x = 11,836.21

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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.