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Finding the Fourth Proportional to 48.32, 72.49 and 23.96

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Solution

The fourth proportional to 48.32, 72.49 and 23.96 is: 35.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.32 : 72.49 = 23.96 : x
  2. Step 2: Convert to fraction form
    48.32/72.49 = 23.96/x
  3. Step 3: Cross multiply
    48.32x = 72.49 × 23.96
  4. Step 4: Simplify right side
    48.32x = 1,736.86
  5. Step 5: Solve for x
    x = 1,736.86/48.32
  6. Step 6: Final answer
    x = 35.94

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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.