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Finding the Fourth Proportional to 54.69, 82.07 and 24.26

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Solution

The fourth proportional to 54.69, 82.07 and 24.26 is: 36.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.69 : 82.07 = 24.26 : x
  2. Step 2: Convert to fraction form
    54.69/82.07 = 24.26/x
  3. Step 3: Cross multiply
    54.69x = 82.07 × 24.26
  4. Step 4: Simplify right side
    54.69x = 1,990.49
  5. Step 5: Solve for x
    x = 1,990.49/54.69
  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.