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Finding the Fourth Proportional to 62.14, 85.75 and 36.26

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Solution

The fourth proportional to 62.14, 85.75 and 36.26 is: 50.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.14 : 85.75 = 36.26 : x
  2. Step 2: Convert to fraction form
    62.14/85.75 = 36.26/x
  3. Step 3: Cross multiply
    62.14x = 85.75 × 36.26
  4. Step 4: Simplify right side
    62.14x = 3,109.30
  5. Step 5: Solve for x
    x = 3,109.30/62.14
  6. Step 6: Final answer
    x = 50.04

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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.