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Finding the Fourth Proportional to 26.96, 37.20 and 16.05

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Solution

The fourth proportional to 26.96, 37.20 and 16.05 is: 22.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.96 : 37.20 = 16.05 : x
  2. Step 2: Convert to fraction form
    26.96/37.20 = 16.05/x
  3. Step 3: Cross multiply
    26.96x = 37.20 × 16.05
  4. Step 4: Simplify right side
    26.96x = 597.06
  5. Step 5: Solve for x
    x = 597.06/26.96
  6. Step 6: Final answer
    x = 22.14

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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.