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Finding the Fourth Proportional to 94.46, 141.70 and 33.62

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Solution

The fourth proportional to 94.46, 141.70 and 33.62 is: 50.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.46 : 141.70 = 33.62 : x
  2. Step 2: Convert to fraction form
    94.46/141.70 = 33.62/x
  3. Step 3: Cross multiply
    94.46x = 141.70 × 33.62
  4. Step 4: Simplify right side
    94.46x = 4,763.95
  5. Step 5: Solve for x
    x = 4,763.95/94.46
  6. Step 6: Final answer
    x = 50.43

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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.