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Finding the Fourth Proportional to 49.04, 67.28 and 46.56

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Solution

The fourth proportional to 49.04, 67.28 and 46.56 is: 63.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.04 : 67.28 = 46.56 : x
  2. Step 2: Convert to fraction form
    49.04/67.28 = 46.56/x
  3. Step 3: Cross multiply
    49.04x = 67.28 × 46.56
  4. Step 4: Simplify right side
    49.04x = 3,132.56
  5. Step 5: Solve for x
    x = 3,132.56/49.04
  6. Step 6: Final answer
    x = 63.88

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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.