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Finding the Fourth Proportional to 62.11, 93.18 and 33.22

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Solution

The fourth proportional to 62.11, 93.18 and 33.22 is: 49.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.11 : 93.18 = 33.22 : x
  2. Step 2: Convert to fraction form
    62.11/93.18 = 33.22/x
  3. Step 3: Cross multiply
    62.11x = 93.18 × 33.22
  4. Step 4: Simplify right side
    62.11x = 3,095.44
  5. Step 5: Solve for x
    x = 3,095.44/62.11
  6. Step 6: Final answer
    x = 49.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.