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Finding the Fourth Proportional to 41,485.20, 62,227.80 and 21,769.80

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Solution

The fourth proportional to 41,485.20, 62,227.80 and 21,769.80 is: 32,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,485.20 : 62,227.80 = 21,769.80 : x
  2. Step 2: Convert to fraction form
    41,485.20/62,227.80 = 21,769.80/x
  3. Step 3: Cross multiply
    41,485.20x = 62,227.80 × 21,769.80
  4. Step 4: Simplify right side
    41,485.20x = 1,354,686,760.44
  5. Step 5: Solve for x
    x = 1,354,686,760.44/41,485.20
  6. Step 6: Final answer
    x = 32,654.70

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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.