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Finding the Fourth Proportional to 17,452.78, 26,179.17 and 8,219.50

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Solution

The fourth proportional to 17,452.78, 26,179.17 and 8,219.50 is: 12,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,452.78 : 26,179.17 = 8,219.50 : x
  2. Step 2: Convert to fraction form
    17,452.78/26,179.17 = 8,219.50/x
  3. Step 3: Cross multiply
    17,452.78x = 26,179.17 × 8,219.50
  4. Step 4: Simplify right side
    17,452.78x = 215,179,687.82
  5. Step 5: Solve for x
    x = 215,179,687.82/17,452.78
  6. Step 6: Final answer
    x = 12,329.25

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Double scale
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Similar ratio
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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.