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Finding the Fourth Proportional to 33,072.75, 49,609.94 and 8,448.75

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Solution

The fourth proportional to 33,072.75, 49,609.94 and 8,448.75 is: 12,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072.75 : 49,609.94 = 8,448.75 : x
  2. Step 2: Convert to fraction form
    33,072.75/49,609.94 = 8,448.75/x
  3. Step 3: Cross multiply
    33,072.75x = 49,609.94 × 8,448.75
  4. Step 4: Simplify right side
    33,072.75x = 419,141,938.33
  5. Step 5: Solve for x
    x = 419,141,938.33/33,072.75
  6. Step 6: Final answer
    x = 12,673.33

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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.