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Finding the Fourth Proportional to 33,342.28, 50,012.46 and 8,382.28

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Solution

The fourth proportional to 33,342.28, 50,012.46 and 8,382.28 is: 12,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,342.28 : 50,012.46 = 8,382.28 : x
  2. Step 2: Convert to fraction form
    33,342.28/50,012.46 = 8,382.28/x
  3. Step 3: Cross multiply
    33,342.28x = 50,012.46 × 8,382.28
  4. Step 4: Simplify right side
    33,342.28x = 419,218,443.21
  5. Step 5: Solve for x
    x = 419,218,443.21/33,342.28
  6. Step 6: Final answer
    x = 12,573.18

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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.