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Finding the Fourth Proportional to 36.56, 50.42 and 34.02

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Solution

The fourth proportional to 36.56, 50.42 and 34.02 is: 46.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.56 : 50.42 = 34.02 : x
  2. Step 2: Convert to fraction form
    36.56/50.42 = 34.02/x
  3. Step 3: Cross multiply
    36.56x = 50.42 × 34.02
  4. Step 4: Simplify right side
    36.56x = 1,715.29
  5. Step 5: Solve for x
    x = 1,715.29/36.56
  6. Step 6: Final answer
    x = 46.92

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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.