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Finding the Fourth Proportional to 33.29, 45.91 and 22.93

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Solution

The fourth proportional to 33.29, 45.91 and 22.93 is: 31.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.29 : 45.91 = 22.93 : x
  2. Step 2: Convert to fraction form
    33.29/45.91 = 22.93/x
  3. Step 3: Cross multiply
    33.29x = 45.91 × 22.93
  4. Step 4: Simplify right side
    33.29x = 1,052.72
  5. Step 5: Solve for x
    x = 1,052.72/33.29
  6. Step 6: Final answer
    x = 31.62

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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.