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Finding the Fourth Proportional to 48.24, 72.37 and 27.97

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Solution

The fourth proportional to 48.24, 72.37 and 27.97 is: 41.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.24 : 72.37 = 27.97 : x
  2. Step 2: Convert to fraction form
    48.24/72.37 = 27.97/x
  3. Step 3: Cross multiply
    48.24x = 72.37 × 27.97
  4. Step 4: Simplify right side
    48.24x = 2,024.04
  5. Step 5: Solve for x
    x = 2,024.04/48.24
  6. Step 6: Final answer
    x = 41.96

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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.