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Finding the Fourth Proportional to 26.16, 36.10 and 16.46

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Solution

The fourth proportional to 26.16, 36.10 and 16.46 is: 22.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.16 : 36.10 = 16.46 : x
  2. Step 2: Convert to fraction form
    26.16/36.10 = 16.46/x
  3. Step 3: Cross multiply
    26.16x = 36.10 × 16.46
  4. Step 4: Simplify right side
    26.16x = 593.98
  5. Step 5: Solve for x
    x = 593.98/26.16
  6. Step 6: Final answer
    x = 22.71

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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.