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Finding the Fourth Proportional to 94.52, 141.80 and 36.76

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Solution

The fourth proportional to 94.52, 141.80 and 36.76 is: 55.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.52 : 141.80 = 36.76 : x
  2. Step 2: Convert to fraction form
    94.52/141.80 = 36.76/x
  3. Step 3: Cross multiply
    94.52x = 141.80 × 36.76
  4. Step 4: Simplify right side
    94.52x = 5,212.57
  5. Step 5: Solve for x
    x = 5,212.57/94.52
  6. Step 6: Final answer
    x = 55.15

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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.