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Finding the Fourth Proportional to 94.43, 141.62 and 36.66

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Solution

The fourth proportional to 94.43, 141.62 and 36.66 is: 54.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.43 : 141.62 = 36.66 : x
  2. Step 2: Convert to fraction form
    94.43/141.62 = 36.66/x
  3. Step 3: Cross multiply
    94.43x = 141.62 × 36.66
  4. Step 4: Simplify right side
    94.43x = 5,191.79
  5. Step 5: Solve for x
    x = 5,191.79/94.43
  6. Step 6: Final answer
    x = 54.98

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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.