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Finding the Fourth Proportional to 26.32, 39.67 and 25.02

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Solution

The fourth proportional to 26.32, 39.67 and 25.02 is: 37.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.32 : 39.67 = 25.02 : x
  2. Step 2: Convert to fraction form
    26.32/39.67 = 25.02/x
  3. Step 3: Cross multiply
    26.32x = 39.67 × 25.02
  4. Step 4: Simplify right side
    26.32x = 992.54
  5. Step 5: Solve for x
    x = 992.54/26.32
  6. Step 6: Final answer
    x = 37.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.