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Finding the Fourth Proportional to 93.65, 140.49 and 29.52

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Solution

The fourth proportional to 93.65, 140.49 and 29.52 is: 44.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.65 : 140.49 = 29.52 : x
  2. Step 2: Convert to fraction form
    93.65/140.49 = 29.52/x
  3. Step 3: Cross multiply
    93.65x = 140.49 × 29.52
  4. Step 4: Simplify right side
    93.65x = 4,147.26
  5. Step 5: Solve for x
    x = 4,147.26/93.65
  6. Step 6: Final answer
    x = 44.29

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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.