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Finding the Fourth Proportional to 17,197.61, 25,800.12 and 5,351.15

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Solution

The fourth proportional to 17,197.61, 25,800.12 and 5,351.15 is: 8,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,197.61 : 25,800.12 = 5,351.15 : x
  2. Step 2: Convert to fraction form
    17,197.61/25,800.12 = 5,351.15/x
  3. Step 3: Cross multiply
    17,197.61x = 25,800.12 × 5,351.15
  4. Step 4: Simplify right side
    17,197.61x = 138,060,183.14
  5. Step 5: Solve for x
    x = 138,060,183.14/17,197.61
  6. Step 6: Final answer
    x = 8,027.87

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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.