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Finding the Fourth Proportional to 54.49, 75.22 and 32.35

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Solution

The fourth proportional to 54.49, 75.22 and 32.35 is: 44.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.49 : 75.22 = 32.35 : x
  2. Step 2: Convert to fraction form
    54.49/75.22 = 32.35/x
  3. Step 3: Cross multiply
    54.49x = 75.22 × 32.35
  4. Step 4: Simplify right side
    54.49x = 2,433.37
  5. Step 5: Solve for x
    x = 2,433.37/54.49
  6. Step 6: Final answer
    x = 44.66

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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.