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Finding the Fourth Proportional to 49.21, 73.51 and 35.44

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Solution

The fourth proportional to 49.21, 73.51 and 35.44 is: 52.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.21 : 73.51 = 35.44 : x
  2. Step 2: Convert to fraction form
    49.21/73.51 = 35.44/x
  3. Step 3: Cross multiply
    49.21x = 73.51 × 35.44
  4. Step 4: Simplify right side
    49.21x = 2,604.92
  5. Step 5: Solve for x
    x = 2,604.92/49.21
  6. Step 6: Final answer
    x = 52.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.