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Finding the Fourth Proportional to 17,144.96, 25,717.16 and 12,494.48

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Solution

The fourth proportional to 17,144.96, 25,717.16 and 12,494.48 is: 18,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.96 : 25,717.16 = 12,494.48 : x
  2. Step 2: Convert to fraction form
    17,144.96/25,717.16 = 12,494.48/x
  3. Step 3: Cross multiply
    17,144.96x = 25,717.16 × 12,494.48
  4. Step 4: Simplify right side
    17,144.96x = 321,322,350.22
  5. Step 5: Solve for x
    x = 321,322,350.22/17,144.96
  6. Step 6: Final answer
    x = 18,741.51

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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.