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Finding the Fourth Proportional to 62.73, 94.11 and 30.24

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Solution

The fourth proportional to 62.73, 94.11 and 30.24 is: 45.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.73 : 94.11 = 30.24 : x
  2. Step 2: Convert to fraction form
    62.73/94.11 = 30.24/x
  3. Step 3: Cross multiply
    62.73x = 94.11 × 30.24
  4. Step 4: Simplify right side
    62.73x = 2,845.89
  5. Step 5: Solve for x
    x = 2,845.89/62.73
  6. Step 6: Final answer
    x = 45.37

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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.