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Finding the Fourth Proportional to 17,273.18, 25,911.48 and 6,882.50

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Solution

The fourth proportional to 17,273.18, 25,911.48 and 6,882.50 is: 10,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273.18 : 25,911.48 = 6,882.50 : x
  2. Step 2: Convert to fraction form
    17,273.18/25,911.48 = 6,882.50/x
  3. Step 3: Cross multiply
    17,273.18x = 25,911.48 × 6,882.50
  4. Step 4: Simplify right side
    17,273.18x = 178,335,761.10
  5. Step 5: Solve for x
    x = 178,335,761.10/17,273.18
  6. Step 6: Final answer
    x = 10,324.43

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1.5x scale

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.