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Finding the Fourth Proportional to 36.71, 50.57 and 34.98

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Solution

The fourth proportional to 36.71, 50.57 and 34.98 is: 48.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.71 : 50.57 = 34.98 : x
  2. Step 2: Convert to fraction form
    36.71/50.57 = 34.98/x
  3. Step 3: Cross multiply
    36.71x = 50.57 × 34.98
  4. Step 4: Simplify right side
    36.71x = 1,768.69
  5. Step 5: Solve for x
    x = 1,768.69/36.71
  6. Step 6: Final answer
    x = 48.18

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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.