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Finding the Fourth Proportional to 34.74, 52.32 and 33.24

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Solution

The fourth proportional to 34.74, 52.32 and 33.24 is: 50.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.74 : 52.32 = 33.24 : x
  2. Step 2: Convert to fraction form
    34.74/52.32 = 33.24/x
  3. Step 3: Cross multiply
    34.74x = 52.32 × 33.24
  4. Step 4: Simplify right side
    34.74x = 1,739.12
  5. Step 5: Solve for x
    x = 1,739.12/34.74
  6. Step 6: Final answer
    x = 50.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.