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Finding the Fourth Proportional to 36.48, 50.24 and 36

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Solution

The fourth proportional to 36.48, 50.24 and 36 is: 49.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.48 : 50.24 = 36 : x
  2. Step 2: Convert to fraction form
    36.48/50.24 = 36/x
  3. Step 3: Cross multiply
    36.48x = 50.24 × 36
  4. Step 4: Simplify right side
    36.48x = 1,808.64
  5. Step 5: Solve for x
    x = 1,808.64/36.48
  6. Step 6: Final answer
    x = 49.58

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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.