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Finding the Fourth Proportional to 54,660.70, 81,805.72 and 33,613.96

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Solution

The fourth proportional to 54,660.70, 81,805.72 and 33,613.96 is: 50,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660.70 : 81,805.72 = 33,613.96 : x
  2. Step 2: Convert to fraction form
    54,660.70/81,805.72 = 33,613.96/x
  3. Step 3: Cross multiply
    54,660.70x = 81,805.72 × 33,613.96
  4. Step 4: Simplify right side
    54,660.70x = 2,749,814,199.85
  5. Step 5: Solve for x
    x = 2,749,814,199.85/54,660.70
  6. Step 6: Final answer
    x = 50,306.97

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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.