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Finding the Fourth Proportional to 35.97, 49.71 and 26.38

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Solution

The fourth proportional to 35.97, 49.71 and 26.38 is: 36.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.97 : 49.71 = 26.38 : x
  2. Step 2: Convert to fraction form
    35.97/49.71 = 26.38/x
  3. Step 3: Cross multiply
    35.97x = 49.71 × 26.38
  4. Step 4: Simplify right side
    35.97x = 1,311.35
  5. Step 5: Solve for x
    x = 1,311.35/35.97
  6. Step 6: Final answer
    x = 36.46

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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.