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Finding the Fourth Proportional to 49.24, 67.67 and 46.18

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Solution

The fourth proportional to 49.24, 67.67 and 46.18 is: 63.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.24 : 67.67 = 46.18 : x
  2. Step 2: Convert to fraction form
    49.24/67.67 = 46.18/x
  3. Step 3: Cross multiply
    49.24x = 67.67 × 46.18
  4. Step 4: Simplify right side
    49.24x = 3,125.12
  5. Step 5: Solve for x
    x = 3,125.12/49.24
  6. Step 6: Final answer
    x = 63.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.