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Finding the Fourth Proportional to 49.11, 73.60 and 26.26

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Solution

The fourth proportional to 49.11, 73.60 and 26.26 is: 39.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.11 : 73.60 = 26.26 : x
  2. Step 2: Convert to fraction form
    49.11/73.60 = 26.26/x
  3. Step 3: Cross multiply
    49.11x = 73.60 × 26.26
  4. Step 4: Simplify right side
    49.11x = 1,932.74
  5. Step 5: Solve for x
    x = 1,932.74/49.11
  6. Step 6: Final answer
    x = 39.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.