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Finding the Fourth Proportional to 17,251.14, 23,790.81 and 12,786.03

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Solution

The fourth proportional to 17,251.14, 23,790.81 and 12,786.03 is: 17,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.14 : 23,790.81 = 12,786.03 : x
  2. Step 2: Convert to fraction form
    17,251.14/23,790.81 = 12,786.03/x
  3. Step 3: Cross multiply
    17,251.14x = 23,790.81 × 12,786.03
  4. Step 4: Simplify right side
    17,251.14x = 304,190,010.38
  5. Step 5: Solve for x
    x = 304,190,010.38/17,251.14
  6. Step 6: Final answer
    x = 17,633.04

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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.