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Finding the Fourth Proportional to 33.52, 46.27 and 21.26

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Solution

The fourth proportional to 33.52, 46.27 and 21.26 is: 29.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.52 : 46.27 = 21.26 : x
  2. Step 2: Convert to fraction form
    33.52/46.27 = 21.26/x
  3. Step 3: Cross multiply
    33.52x = 46.27 × 21.26
  4. Step 4: Simplify right side
    33.52x = 983.36
  5. Step 5: Solve for x
    x = 983.36/33.52
  6. Step 6: Final answer
    x = 29.34

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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.