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Finding the Fourth Proportional to 26.10, 36.02 and 16.40

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Solution

The fourth proportional to 26.10, 36.02 and 16.40 is: 22.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.10 : 36.02 = 16.40 : x
  2. Step 2: Convert to fraction form
    26.10/36.02 = 16.40/x
  3. Step 3: Cross multiply
    26.10x = 36.02 × 16.40
  4. Step 4: Simplify right side
    26.10x = 590.73
  5. Step 5: Solve for x
    x = 590.73/26.10
  6. Step 6: Final answer
    x = 22.63

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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.