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Finding the Fourth Proportional to 54.22, 74.77 and 44.97

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Solution

The fourth proportional to 54.22, 74.77 and 44.97 is: 62.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.22 : 74.77 = 44.97 : x
  2. Step 2: Convert to fraction form
    54.22/74.77 = 44.97/x
  3. Step 3: Cross multiply
    54.22x = 74.77 × 44.97
  4. Step 4: Simplify right side
    54.22x = 3,362.41
  5. Step 5: Solve for x
    x = 3,362.41/54.22
  6. Step 6: Final answer
    x = 62.01

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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.