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Finding the Fourth Proportional to 17,249.92, 25,874.88 and 13,770.88

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Solution

The fourth proportional to 17,249.92, 25,874.88 and 13,770.88 is: 20,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,249.92 : 25,874.88 = 13,770.88 : x
  2. Step 2: Convert to fraction form
    17,249.92/25,874.88 = 13,770.88/x
  3. Step 3: Cross multiply
    17,249.92x = 25,874.88 × 13,770.88
  4. Step 4: Simplify right side
    17,249.92x = 356,319,867.49
  5. Step 5: Solve for x
    x = 356,319,867.49/17,249.92
  6. Step 6: Final answer
    x = 20,656.32

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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.