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Finding the Fourth Proportional to 54.68, 82.01 and 24.27

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Solution

The fourth proportional to 54.68, 82.01 and 24.27 is: 36.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.68 : 82.01 = 24.27 : x
  2. Step 2: Convert to fraction form
    54.68/82.01 = 24.27/x
  3. Step 3: Cross multiply
    54.68x = 82.01 × 24.27
  4. Step 4: Simplify right side
    54.68x = 1,990.14
  5. Step 5: Solve for x
    x = 1,990.14/54.68
  6. Step 6: Final answer
    x = 36.40

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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.