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Finding the Fourth Proportional to 32,939.80, 49,336.80 and 27,107.80

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Solution

The fourth proportional to 32,939.80, 49,336.80 and 27,107.80 is: 40,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.80 : 49,336.80 = 27,107.80 : x
  2. Step 2: Convert to fraction form
    32,939.80/49,336.80 = 27,107.80/x
  3. Step 3: Cross multiply
    32,939.80x = 49,336.80 × 27,107.80
  4. Step 4: Simplify right side
    32,939.80x = 1,337,412,107.04
  5. Step 5: Solve for x
    x = 1,337,412,107.04/32,939.80
  6. Step 6: Final answer
    x = 40,601.71

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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.