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Finding the Fourth Proportional to 49.18, 73.56 and 33.94

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Solution

The fourth proportional to 49.18, 73.56 and 33.94 is: 50.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.18 : 73.56 = 33.94 : x
  2. Step 2: Convert to fraction form
    49.18/73.56 = 33.94/x
  3. Step 3: Cross multiply
    49.18x = 73.56 × 33.94
  4. Step 4: Simplify right side
    49.18x = 2,496.63
  5. Step 5: Solve for x
    x = 2,496.63/49.18
  6. Step 6: Final answer
    x = 50.77

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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.