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Finding the Fourth Proportional to 33.72, 46.55 and 26.46

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Solution

The fourth proportional to 33.72, 46.55 and 26.46 is: 36.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.72 : 46.55 = 26.46 : x
  2. Step 2: Convert to fraction form
    33.72/46.55 = 26.46/x
  3. Step 3: Cross multiply
    33.72x = 46.55 × 26.46
  4. Step 4: Simplify right side
    33.72x = 1,231.71
  5. Step 5: Solve for x
    x = 1,231.71/33.72
  6. Step 6: Final answer
    x = 36.53

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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.