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Finding the Fourth Proportional to 17,021.14, 25,540.92 and 7,167.29

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Solution

The fourth proportional to 17,021.14, 25,540.92 and 7,167.29 is: 10,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.14 : 25,540.92 = 7,167.29 : x
  2. Step 2: Convert to fraction form
    17,021.14/25,540.92 = 7,167.29/x
  3. Step 3: Cross multiply
    17,021.14x = 25,540.92 × 7,167.29
  4. Step 4: Simplify right side
    17,021.14x = 183,059,052.80
  5. Step 5: Solve for x
    x = 183,059,052.80/17,021.14
  6. Step 6: Final answer
    x = 10,754.81

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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.