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Finding the Fourth Proportional to 54.08, 74.54 and 44.26

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Solution

The fourth proportional to 54.08, 74.54 and 44.26 is: 61.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.08 : 74.54 = 44.26 : x
  2. Step 2: Convert to fraction form
    54.08/74.54 = 44.26/x
  3. Step 3: Cross multiply
    54.08x = 74.54 × 44.26
  4. Step 4: Simplify right side
    54.08x = 3,299.06
  5. Step 5: Solve for x
    x = 3,299.06/54.08
  6. Step 6: Final answer
    x = 61.01

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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.