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Finding the Fourth Proportional to 17,286.60, 25,968.30 and 16,633.80

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Solution

The fourth proportional to 17,286.60, 25,968.30 and 16,633.80 is: 24,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,286.60 : 25,968.30 = 16,633.80 : x
  2. Step 2: Convert to fraction form
    17,286.60/25,968.30 = 16,633.80/x
  3. Step 3: Cross multiply
    17,286.60x = 25,968.30 × 16,633.80
  4. Step 4: Simplify right side
    17,286.60x = 431,951,508.54
  5. Step 5: Solve for x
    x = 431,951,508.54/17,286.60
  6. Step 6: Final answer
    x = 24,987.65

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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.