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Finding the Fourth Proportional to 26.35, 39.73 and 26.01

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Solution

The fourth proportional to 26.35, 39.73 and 26.01 is: 39.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.35 : 39.73 = 26.01 : x
  2. Step 2: Convert to fraction form
    26.35/39.73 = 26.01/x
  3. Step 3: Cross multiply
    26.35x = 39.73 × 26.01
  4. Step 4: Simplify right side
    26.35x = 1,033.54
  5. Step 5: Solve for x
    x = 1,033.54/26.35
  6. Step 6: Final answer
    x = 39.22

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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.