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Finding the Fourth Proportional to 54.93, 82.41 and 44.08

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Solution

The fourth proportional to 54.93, 82.41 and 44.08 is: 66.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.93 : 82.41 = 44.08 : x
  2. Step 2: Convert to fraction form
    54.93/82.41 = 44.08/x
  3. Step 3: Cross multiply
    54.93x = 82.41 × 44.08
  4. Step 4: Simplify right side
    54.93x = 3,632.63
  5. Step 5: Solve for x
    x = 3,632.63/54.93
  6. Step 6: Final answer
    x = 66.13

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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.