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Finding the Fourth Proportional to 49.33, 73.70 and 41.11

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Solution

The fourth proportional to 49.33, 73.70 and 41.11 is: 61.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.33 : 73.70 = 41.11 : x
  2. Step 2: Convert to fraction form
    49.33/73.70 = 41.11/x
  3. Step 3: Cross multiply
    49.33x = 73.70 × 41.11
  4. Step 4: Simplify right side
    49.33x = 3,029.81
  5. Step 5: Solve for x
    x = 3,029.81/49.33
  6. Step 6: Final answer
    x = 61.42

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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.