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Finding the Fourth Proportional to 48.96, 73.44 and 27.27

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Solution

The fourth proportional to 48.96, 73.44 and 27.27 is: 40.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.96 : 73.44 = 27.27 : x
  2. Step 2: Convert to fraction form
    48.96/73.44 = 27.27/x
  3. Step 3: Cross multiply
    48.96x = 73.44 × 27.27
  4. Step 4: Simplify right side
    48.96x = 2,002.71
  5. Step 5: Solve for x
    x = 2,002.71/48.96
  6. Step 6: Final answer
    x = 40.91

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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.