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Finding the Fourth Proportional to 62.75, 94.06 and 22.14

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Solution

The fourth proportional to 62.75, 94.06 and 22.14 is: 33.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.75 : 94.06 = 22.14 : x
  2. Step 2: Convert to fraction form
    62.75/94.06 = 22.14/x
  3. Step 3: Cross multiply
    62.75x = 94.06 × 22.14
  4. Step 4: Simplify right side
    62.75x = 2,082.49
  5. Step 5: Solve for x
    x = 2,082.49/62.75
  6. Step 6: Final answer
    x = 33.19

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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.