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Finding the Fourth Proportional to 48.97, 67.89 and 46.24

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Solution

The fourth proportional to 48.97, 67.89 and 46.24 is: 64.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.97 : 67.89 = 46.24 : x
  2. Step 2: Convert to fraction form
    48.97/67.89 = 46.24/x
  3. Step 3: Cross multiply
    48.97x = 67.89 × 46.24
  4. Step 4: Simplify right side
    48.97x = 3,139.24
  5. Step 5: Solve for x
    x = 3,139.24/48.97
  6. Step 6: Final answer
    x = 64.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.