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Finding the Fourth Proportional to 17,008.05, 25,481.70 and 8,223.60

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Solution

The fourth proportional to 17,008.05, 25,481.70 and 8,223.60 is: 12,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.05 : 25,481.70 = 8,223.60 : x
  2. Step 2: Convert to fraction form
    17,008.05/25,481.70 = 8,223.60/x
  3. Step 3: Cross multiply
    17,008.05x = 25,481.70 × 8,223.60
  4. Step 4: Simplify right side
    17,008.05x = 209,551,308.12
  5. Step 5: Solve for x
    x = 209,551,308.12/17,008.05
  6. Step 6: Final answer
    x = 12,320.71

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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.