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Finding the Fourth Proportional to 33.63, 46.36 and 23.79

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Solution

The fourth proportional to 33.63, 46.36 and 23.79 is: 32.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.63 : 46.36 = 23.79 : x
  2. Step 2: Convert to fraction form
    33.63/46.36 = 23.79/x
  3. Step 3: Cross multiply
    33.63x = 46.36 × 23.79
  4. Step 4: Simplify right side
    33.63x = 1,102.76
  5. Step 5: Solve for x
    x = 1,102.76/33.63
  6. Step 6: Final answer
    x = 32.79

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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.