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Finding the Fourth Proportional to 39,193.80, 54,057.80 and 27,251.16

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Solution

The fourth proportional to 39,193.80, 54,057.80 and 27,251.16 is: 37,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,193.80 : 54,057.80 = 27,251.16 : x
  2. Step 2: Convert to fraction form
    39,193.80/54,057.80 = 27,251.16/x
  3. Step 3: Cross multiply
    39,193.80x = 54,057.80 × 27,251.16
  4. Step 4: Simplify right side
    39,193.80x = 1,473,137,757.05
  5. Step 5: Solve for x
    x = 1,473,137,757.05/39,193.80
  6. Step 6: Final answer
    x = 37,585.99

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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.