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Finding the Fourth Proportional to 33.31, 45.93 and 22.94

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Solution

The fourth proportional to 33.31, 45.93 and 22.94 is: 31.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.31 : 45.93 = 22.94 : x
  2. Step 2: Convert to fraction form
    33.31/45.93 = 22.94/x
  3. Step 3: Cross multiply
    33.31x = 45.93 × 22.94
  4. Step 4: Simplify right side
    33.31x = 1,053.63
  5. Step 5: Solve for x
    x = 1,053.63/33.31
  6. Step 6: Final answer
    x = 31.63

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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.