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Finding the Fourth Proportional to 34.53, 51.81 and 26.58

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Solution

The fourth proportional to 34.53, 51.81 and 26.58 is: 39.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.53 : 51.81 = 26.58 : x
  2. Step 2: Convert to fraction form
    34.53/51.81 = 26.58/x
  3. Step 3: Cross multiply
    34.53x = 51.81 × 26.58
  4. Step 4: Simplify right side
    34.53x = 1,377.11
  5. Step 5: Solve for x
    x = 1,377.11/34.53
  6. Step 6: Final answer
    x = 39.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.