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Finding the Fourth Proportional to 62.31, 93.34 and 35.17

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Solution

The fourth proportional to 62.31, 93.34 and 35.17 is: 52.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.31 : 93.34 = 35.17 : x
  2. Step 2: Convert to fraction form
    62.31/93.34 = 35.17/x
  3. Step 3: Cross multiply
    62.31x = 93.34 × 35.17
  4. Step 4: Simplify right side
    62.31x = 3,282.77
  5. Step 5: Solve for x
    x = 3,282.77/62.31
  6. Step 6: Final answer
    x = 52.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.