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Finding the Fourth Proportional to 100,288.62, 150,440.49 and 33,728.94

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Solution

The fourth proportional to 100,288.62, 150,440.49 and 33,728.94 is: 50,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,288.62 : 150,440.49 = 33,728.94 : x
  2. Step 2: Convert to fraction form
    100,288.62/150,440.49 = 33,728.94/x
  3. Step 3: Cross multiply
    100,288.62x = 150,440.49 × 33,728.94
  4. Step 4: Simplify right side
    100,288.62x = 5,074,198,260.78
  5. Step 5: Solve for x
    x = 5,074,198,260.78/100,288.62
  6. Step 6: Final answer
    x = 50,595.95

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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.