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Finding the Fourth Proportional to 54.72, 75.33 and 44.33

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Solution

The fourth proportional to 54.72, 75.33 and 44.33 is: 61.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.72 : 75.33 = 44.33 : x
  2. Step 2: Convert to fraction form
    54.72/75.33 = 44.33/x
  3. Step 3: Cross multiply
    54.72x = 75.33 × 44.33
  4. Step 4: Simplify right side
    54.72x = 3,339.00
  5. Step 5: Solve for x
    x = 3,339.00/54.72
  6. Step 6: Final answer
    x = 61.02

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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.