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Finding the Fourth Proportional to 49.33, 67.98 and 46.63

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Solution

The fourth proportional to 49.33, 67.98 and 46.63 is: 64.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.33 : 67.98 = 46.63 : x
  2. Step 2: Convert to fraction form
    49.33/67.98 = 46.63/x
  3. Step 3: Cross multiply
    49.33x = 67.98 × 46.63
  4. Step 4: Simplify right side
    49.33x = 3,169.91
  5. Step 5: Solve for x
    x = 3,169.91/49.33
  6. Step 6: Final answer
    x = 64.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.