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Finding the Fourth Proportional to 54,685.80, 81,986.67 and 25,082.28

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Solution

The fourth proportional to 54,685.80, 81,986.67 and 25,082.28 is: 37,604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,685.80 : 81,986.67 = 25,082.28 : x
  2. Step 2: Convert to fraction form
    54,685.80/81,986.67 = 25,082.28/x
  3. Step 3: Cross multiply
    54,685.80x = 81,986.67 × 25,082.28
  4. Step 4: Simplify right side
    54,685.80x = 2,056,412,613.21
  5. Step 5: Solve for x
    x = 2,056,412,613.21/54,685.80
  6. Step 6: Final answer
    x = 37,604.14

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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.