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Finding the Fourth Proportional to 33.33, 45.94 and 22.99

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Solution

The fourth proportional to 33.33, 45.94 and 22.99 is: 31.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.33 : 45.94 = 22.99 : x
  2. Step 2: Convert to fraction form
    33.33/45.94 = 22.99/x
  3. Step 3: Cross multiply
    33.33x = 45.94 × 22.99
  4. Step 4: Simplify right side
    33.33x = 1,056.21
  5. Step 5: Solve for x
    x = 1,056.21/33.33
  6. Step 6: Final answer
    x = 31.69

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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.