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Finding the Fourth Proportional to 33,974.40, 50,940.90 and 15,250.80

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Solution

The fourth proportional to 33,974.40, 50,940.90 and 15,250.80 is: 22,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,974.40 : 50,940.90 = 15,250.80 : x
  2. Step 2: Convert to fraction form
    33,974.40/50,940.90 = 15,250.80/x
  3. Step 3: Cross multiply
    33,974.40x = 50,940.90 × 15,250.80
  4. Step 4: Simplify right side
    33,974.40x = 776,889,477.72
  5. Step 5: Solve for x
    x = 776,889,477.72/33,974.40
  6. Step 6: Final answer
    x = 22,866.91

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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.