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Finding the Fourth Proportional to 26.16, 36.14 and 19.27

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Solution

The fourth proportional to 26.16, 36.14 and 19.27 is: 26.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.16 : 36.14 = 19.27 : x
  2. Step 2: Convert to fraction form
    26.16/36.14 = 19.27/x
  3. Step 3: Cross multiply
    26.16x = 36.14 × 19.27
  4. Step 4: Simplify right side
    26.16x = 696.42
  5. Step 5: Solve for x
    x = 696.42/26.16
  6. Step 6: Final answer
    x = 26.62

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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.