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Finding the Fourth Proportional to 33.26, 45.94 and 21.01

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Solution

The fourth proportional to 33.26, 45.94 and 21.01 is: 29.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.26 : 45.94 = 21.01 : x
  2. Step 2: Convert to fraction form
    33.26/45.94 = 21.01/x
  3. Step 3: Cross multiply
    33.26x = 45.94 × 21.01
  4. Step 4: Simplify right side
    33.26x = 965.20
  5. Step 5: Solve for x
    x = 965.20/33.26
  6. Step 6: Final answer
    x = 29.02

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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.