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Finding the Fourth Proportional to 17,481.80, 26,220.30 and 5,793.80

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Solution

The fourth proportional to 17,481.80, 26,220.30 and 5,793.80 is: 8,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481.80 : 26,220.30 = 5,793.80 : x
  2. Step 2: Convert to fraction form
    17,481.80/26,220.30 = 5,793.80/x
  3. Step 3: Cross multiply
    17,481.80x = 26,220.30 × 5,793.80
  4. Step 4: Simplify right side
    17,481.80x = 151,915,174.14
  5. Step 5: Solve for x
    x = 151,915,174.14/17,481.80
  6. Step 6: Final answer
    x = 8,689.90

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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.