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Finding the Fourth Proportional to 55.11, 82.62 and 24.66

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Solution

The fourth proportional to 55.11, 82.62 and 24.66 is: 36.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.11 : 82.62 = 24.66 : x
  2. Step 2: Convert to fraction form
    55.11/82.62 = 24.66/x
  3. Step 3: Cross multiply
    55.11x = 82.62 × 24.66
  4. Step 4: Simplify right side
    55.11x = 2,037.41
  5. Step 5: Solve for x
    x = 2,037.41/55.11
  6. Step 6: Final answer
    x = 36.97

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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.