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Finding the Fourth Proportional to 33.47, 46.22 and 30.41

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Solution

The fourth proportional to 33.47, 46.22 and 30.41 is: 41.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.47 : 46.22 = 30.41 : x
  2. Step 2: Convert to fraction form
    33.47/46.22 = 30.41/x
  3. Step 3: Cross multiply
    33.47x = 46.22 × 30.41
  4. Step 4: Simplify right side
    33.47x = 1,405.17
  5. Step 5: Solve for x
    x = 1,405.17/33.47
  6. Step 6: Final answer
    x = 41.99

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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.