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Finding the Fourth Proportional to 26.01, 35.88 and 16.31

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Solution

The fourth proportional to 26.01, 35.88 and 16.31 is: 22.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.01 : 35.88 = 16.31 : x
  2. Step 2: Convert to fraction form
    26.01/35.88 = 16.31/x
  3. Step 3: Cross multiply
    26.01x = 35.88 × 16.31
  4. Step 4: Simplify right side
    26.01x = 585.02
  5. Step 5: Solve for x
    x = 585.02/26.01
  6. Step 6: Final answer
    x = 22.49

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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.