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Finding the Fourth Proportional to 93.83, 140.72 and 32.96

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Solution

The fourth proportional to 93.83, 140.72 and 32.96 is: 49.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.83 : 140.72 = 32.96 : x
  2. Step 2: Convert to fraction form
    93.83/140.72 = 32.96/x
  3. Step 3: Cross multiply
    93.83x = 140.72 × 32.96
  4. Step 4: Simplify right side
    93.83x = 4,637.71
  5. Step 5: Solve for x
    x = 4,637.71/93.83
  6. Step 6: Final answer
    x = 49.43

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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.