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Finding the Fourth Proportional to 54,654.70, 82,020.45 and 23,512.30

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Solution

The fourth proportional to 54,654.70, 82,020.45 and 23,512.30 is: 35,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,654.70 : 82,020.45 = 23,512.30 : x
  2. Step 2: Convert to fraction form
    54,654.70/82,020.45 = 23,512.30/x
  3. Step 3: Cross multiply
    54,654.70x = 82,020.45 × 23,512.30
  4. Step 4: Simplify right side
    54,654.70x = 1,928,489,426.54
  5. Step 5: Solve for x
    x = 1,928,489,426.54/54,654.70
  6. Step 6: Final answer
    x = 35,284.97

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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.