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Finding the Fourth Proportional to 33.36, 50 and 23.16

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Solution

The fourth proportional to 33.36, 50 and 23.16 is: 34.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.36 : 50 = 23.16 : x
  2. Step 2: Convert to fraction form
    33.36/50 = 23.16/x
  3. Step 3: Cross multiply
    33.36x = 50 × 23.16
  4. Step 4: Simplify right side
    33.36x = 1,158
  5. Step 5: Solve for x
    x = 1,158/33.36
  6. Step 6: Final answer
    x = 34.71

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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.