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Finding the Fourth Proportional to 26.53, 36.61 and 16.16

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Solution

The fourth proportional to 26.53, 36.61 and 16.16 is: 22.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.53 : 36.61 = 16.16 : x
  2. Step 2: Convert to fraction form
    26.53/36.61 = 16.16/x
  3. Step 3: Cross multiply
    26.53x = 36.61 × 16.16
  4. Step 4: Simplify right side
    26.53x = 591.54
  5. Step 5: Solve for x
    x = 591.54/26.53
  6. Step 6: Final answer
    x = 22.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.