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Finding the Fourth Proportional to 17,173.16, 25,759.74 and 7,937.96

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Solution

The fourth proportional to 17,173.16, 25,759.74 and 7,937.96 is: 11,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.16 : 25,759.74 = 7,937.96 : x
  2. Step 2: Convert to fraction form
    17,173.16/25,759.74 = 7,937.96/x
  3. Step 3: Cross multiply
    17,173.16x = 25,759.74 × 7,937.96
  4. Step 4: Simplify right side
    17,173.16x = 204,479,785.73
  5. Step 5: Solve for x
    x = 204,479,785.73/17,173.16
  6. Step 6: Final answer
    x = 11,906.94

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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.