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Finding the Fourth Proportional to 55.23, 82.74 and 32.33

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Solution

The fourth proportional to 55.23, 82.74 and 32.33 is: 48.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.23 : 82.74 = 32.33 : x
  2. Step 2: Convert to fraction form
    55.23/82.74 = 32.33/x
  3. Step 3: Cross multiply
    55.23x = 82.74 × 32.33
  4. Step 4: Simplify right side
    55.23x = 2,675.03
  5. Step 5: Solve for x
    x = 2,675.03/55.23
  6. Step 6: Final answer
    x = 48.44

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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.