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Finding the Fourth Proportional to 35.64, 49.15 and 26.41

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Solution

The fourth proportional to 35.64, 49.15 and 26.41 is: 36.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.64 : 49.15 = 26.41 : x
  2. Step 2: Convert to fraction form
    35.64/49.15 = 26.41/x
  3. Step 3: Cross multiply
    35.64x = 49.15 × 26.41
  4. Step 4: Simplify right side
    35.64x = 1,297.99
  5. Step 5: Solve for x
    x = 1,297.99/35.64
  6. Step 6: Final answer
    x = 36.42

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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.