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Finding the Fourth Proportional to 39,474.67, 54,474.99 and 22,478.92

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Solution

The fourth proportional to 39,474.67, 54,474.99 and 22,478.92 is: 31,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.67 : 54,474.99 = 22,478.92 : x
  2. Step 2: Convert to fraction form
    39,474.67/54,474.99 = 22,478.92/x
  3. Step 3: Cross multiply
    39,474.67x = 54,474.99 × 22,478.92
  4. Step 4: Simplify right side
    39,474.67x = 1,224,538,942.21
  5. Step 5: Solve for x
    x = 1,224,538,942.21/39,474.67
  6. Step 6: Final answer
    x = 31,020.88

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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.