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Finding the Fourth Proportional to 62.31, 93.50 and 34.94

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Solution

The fourth proportional to 62.31, 93.50 and 34.94 is: 52.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.31 : 93.50 = 34.94 : x
  2. Step 2: Convert to fraction form
    62.31/93.50 = 34.94/x
  3. Step 3: Cross multiply
    62.31x = 93.50 × 34.94
  4. Step 4: Simplify right side
    62.31x = 3,267.21
  5. Step 5: Solve for x
    x = 3,267.21/62.31
  6. Step 6: Final answer
    x = 52.43

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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.