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Finding the Fourth Proportional to 50.54, 75.74 and 26.46

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Solution

The fourth proportional to 50.54, 75.74 and 26.46 is: 39.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.54 : 75.74 = 26.46 : x
  2. Step 2: Convert to fraction form
    50.54/75.74 = 26.46/x
  3. Step 3: Cross multiply
    50.54x = 75.74 × 26.46
  4. Step 4: Simplify right side
    50.54x = 2,003.95
  5. Step 5: Solve for x
    x = 2,003.95/50.54
  6. Step 6: Final answer
    x = 39.65

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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.