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Finding the Fourth Proportional to 93.98, 140.91 and 33.09

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Solution

The fourth proportional to 93.98, 140.91 and 33.09 is: 49.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.98 : 140.91 = 33.09 : x
  2. Step 2: Convert to fraction form
    93.98/140.91 = 33.09/x
  3. Step 3: Cross multiply
    93.98x = 140.91 × 33.09
  4. Step 4: Simplify right side
    93.98x = 4,662.71
  5. Step 5: Solve for x
    x = 4,662.71/93.98
  6. Step 6: Final answer
    x = 49.61

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