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Finding the Fourth Proportional to 26.53, 39.74 and 16.36

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Solution

The fourth proportional to 26.53, 39.74 and 16.36 is: 24.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.53 : 39.74 = 16.36 : x
  2. Step 2: Convert to fraction form
    26.53/39.74 = 16.36/x
  3. Step 3: Cross multiply
    26.53x = 39.74 × 16.36
  4. Step 4: Simplify right side
    26.53x = 650.15
  5. Step 5: Solve for x
    x = 650.15/26.53
  6. Step 6: Final answer
    x = 24.51

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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.