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Finding the Fourth Proportional to 33.52, 46.26 and 28.06

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Solution

The fourth proportional to 33.52, 46.26 and 28.06 is: 38.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.52 : 46.26 = 28.06 : x
  2. Step 2: Convert to fraction form
    33.52/46.26 = 28.06/x
  3. Step 3: Cross multiply
    33.52x = 46.26 × 28.06
  4. Step 4: Simplify right side
    33.52x = 1,298.06
  5. Step 5: Solve for x
    x = 1,298.06/33.52
  6. Step 6: Final answer
    x = 38.72

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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.