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Finding the Fourth Proportional to 35.31, 52.41 and 33.06

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Solution

The fourth proportional to 35.31, 52.41 and 33.06 is: 49.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.31 : 52.41 = 33.06 : x
  2. Step 2: Convert to fraction form
    35.31/52.41 = 33.06/x
  3. Step 3: Cross multiply
    35.31x = 52.41 × 33.06
  4. Step 4: Simplify right side
    35.31x = 1,732.67
  5. Step 5: Solve for x
    x = 1,732.67/35.31
  6. Step 6: Final answer
    x = 49.07

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.