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Finding the Fourth Proportional to 33,736.80, 50,626.80 and 19,696.80

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Solution

The fourth proportional to 33,736.80, 50,626.80 and 19,696.80 is: 29,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,736.80 : 50,626.80 = 19,696.80 : x
  2. Step 2: Convert to fraction form
    33,736.80/50,626.80 = 19,696.80/x
  3. Step 3: Cross multiply
    33,736.80x = 50,626.80 × 19,696.80
  4. Step 4: Simplify right side
    33,736.80x = 997,185,954.24
  5. Step 5: Solve for x
    x = 997,185,954.24/33,736.80
  6. Step 6: Final answer
    x = 29,557.81

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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.