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Finding the Fourth Proportional to 48.96, 67.55 and 44.82

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Solution

The fourth proportional to 48.96, 67.55 and 44.82 is: 61.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.96 : 67.55 = 44.82 : x
  2. Step 2: Convert to fraction form
    48.96/67.55 = 44.82/x
  3. Step 3: Cross multiply
    48.96x = 67.55 × 44.82
  4. Step 4: Simplify right side
    48.96x = 3,027.37
  5. Step 5: Solve for x
    x = 3,027.37/48.96
  6. Step 6: Final answer
    x = 61.83

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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.