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Finding the Fourth Proportional to 49.44, 73.70 and 48.99

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Solution

The fourth proportional to 49.44, 73.70 and 48.99 is: 73.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.44 : 73.70 = 48.99 : x
  2. Step 2: Convert to fraction form
    49.44/73.70 = 48.99/x
  3. Step 3: Cross multiply
    49.44x = 73.70 × 48.99
  4. Step 4: Simplify right side
    49.44x = 3,610.56
  5. Step 5: Solve for x
    x = 3,610.56/49.44
  6. Step 6: Final answer
    x = 73.03

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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.