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Finding the Fourth Proportional to 48.24, 66.56 and 27.52

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Solution

The fourth proportional to 48.24, 66.56 and 27.52 is: 37.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.24 : 66.56 = 27.52 : x
  2. Step 2: Convert to fraction form
    48.24/66.56 = 27.52/x
  3. Step 3: Cross multiply
    48.24x = 66.56 × 27.52
  4. Step 4: Simplify right side
    48.24x = 1,831.73
  5. Step 5: Solve for x
    x = 1,831.73/48.24
  6. Step 6: Final answer
    x = 37.97

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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.