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Finding the Fourth Proportional to 49.04, 73.56 and 38.44

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Solution

The fourth proportional to 49.04, 73.56 and 38.44 is: 57.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.04 : 73.56 = 38.44 : x
  2. Step 2: Convert to fraction form
    49.04/73.56 = 38.44/x
  3. Step 3: Cross multiply
    49.04x = 73.56 × 38.44
  4. Step 4: Simplify right side
    49.04x = 2,827.65
  5. Step 5: Solve for x
    x = 2,827.65/49.04
  6. Step 6: Final answer
    x = 57.66

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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.