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Finding the Fourth Proportional to 36.48, 50.54 and 35.76

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Solution

The fourth proportional to 36.48, 50.54 and 35.76 is: 49.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.48 : 50.54 = 35.76 : x
  2. Step 2: Convert to fraction form
    36.48/50.54 = 35.76/x
  3. Step 3: Cross multiply
    36.48x = 50.54 × 35.76
  4. Step 4: Simplify right side
    36.48x = 1,807.31
  5. Step 5: Solve for x
    x = 1,807.31/36.48
  6. Step 6: Final answer
    x = 49.54

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.