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Finding the Fourth Proportional to 33.63, 46.36 and 22.69

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Solution

The fourth proportional to 33.63, 46.36 and 22.69 is: 31.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.63 : 46.36 = 22.69 : x
  2. Step 2: Convert to fraction form
    33.63/46.36 = 22.69/x
  3. Step 3: Cross multiply
    33.63x = 46.36 × 22.69
  4. Step 4: Simplify right side
    33.63x = 1,051.91
  5. Step 5: Solve for x
    x = 1,051.91/33.63
  6. Step 6: Final answer
    x = 31.28

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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.