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Finding the Fourth Proportional to 33.36, 45.99 and 22.83

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Solution

The fourth proportional to 33.36, 45.99 and 22.83 is: 31.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.36 : 45.99 = 22.83 : x
  2. Step 2: Convert to fraction form
    33.36/45.99 = 22.83/x
  3. Step 3: Cross multiply
    33.36x = 45.99 × 22.83
  4. Step 4: Simplify right side
    33.36x = 1,049.95
  5. Step 5: Solve for x
    x = 1,049.95/33.36
  6. Step 6: Final answer
    x = 31.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.