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Finding the Fourth Proportional to 49.24, 73.68 and 34.02

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Solution

The fourth proportional to 49.24, 73.68 and 34.02 is: 50.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.24 : 73.68 = 34.02 : x
  2. Step 2: Convert to fraction form
    49.24/73.68 = 34.02/x
  3. Step 3: Cross multiply
    49.24x = 73.68 × 34.02
  4. Step 4: Simplify right side
    49.24x = 2,506.59
  5. Step 5: Solve for x
    x = 2,506.59/49.24
  6. Step 6: Final answer
    x = 50.91

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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.