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Finding the Fourth Proportional to 45,251.82, 67,939.84 and 23,080.14

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Solution

The fourth proportional to 45,251.82, 67,939.84 and 23,080.14 is: 34,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,251.82 : 67,939.84 = 23,080.14 : x
  2. Step 2: Convert to fraction form
    45,251.82/67,939.84 = 23,080.14/x
  3. Step 3: Cross multiply
    45,251.82x = 67,939.84 × 23,080.14
  4. Step 4: Simplify right side
    45,251.82x = 1,568,061,018.78
  5. Step 5: Solve for x
    x = 1,568,061,018.78/45,251.82
  6. Step 6: Final answer
    x = 34,651.89

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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.