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Finding the Fourth Proportional to 17,968.92, 24,790.08 and 11,251.68

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Solution

The fourth proportional to 17,968.92, 24,790.08 and 11,251.68 is: 15,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.92 : 24,790.08 = 11,251.68 : x
  2. Step 2: Convert to fraction form
    17,968.92/24,790.08 = 11,251.68/x
  3. Step 3: Cross multiply
    17,968.92x = 24,790.08 × 11,251.68
  4. Step 4: Simplify right side
    17,968.92x = 278,930,047.33
  5. Step 5: Solve for x
    x = 278,930,047.33/17,968.92
  6. Step 6: Final answer
    x = 15,522.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.