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Finding the Fourth Proportional to 49.07, 73.55 and 26.27

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Solution

The fourth proportional to 49.07, 73.55 and 26.27 is: 39.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.07 : 73.55 = 26.27 : x
  2. Step 2: Convert to fraction form
    49.07/73.55 = 26.27/x
  3. Step 3: Cross multiply
    49.07x = 73.55 × 26.27
  4. Step 4: Simplify right side
    49.07x = 1,932.16
  5. Step 5: Solve for x
    x = 1,932.16/49.07
  6. Step 6: Final answer
    x = 39.38

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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.