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Finding the Fourth Proportional to 49.14, 73.74 and 35.67

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Solution

The fourth proportional to 49.14, 73.74 and 35.67 is: 53.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.14 : 73.74 = 35.67 : x
  2. Step 2: Convert to fraction form
    49.14/73.74 = 35.67/x
  3. Step 3: Cross multiply
    49.14x = 73.74 × 35.67
  4. Step 4: Simplify right side
    49.14x = 2,630.72
  5. Step 5: Solve for x
    x = 2,630.72/49.14
  6. Step 6: Final answer
    x = 53.54

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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.