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Finding the Fourth Proportional to 62.93, 94.34 and 30.44

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Solution

The fourth proportional to 62.93, 94.34 and 30.44 is: 45.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.93 : 94.34 = 30.44 : x
  2. Step 2: Convert to fraction form
    62.93/94.34 = 30.44/x
  3. Step 3: Cross multiply
    62.93x = 94.34 × 30.44
  4. Step 4: Simplify right side
    62.93x = 2,872.02
  5. Step 5: Solve for x
    x = 2,872.02/62.93
  6. Step 6: Final answer
    x = 45.64

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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.