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Finding the Fourth Proportional to 93.46, 140.21 and 32.59

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Solution

The fourth proportional to 93.46, 140.21 and 32.59 is: 48.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.46 : 140.21 = 32.59 : x
  2. Step 2: Convert to fraction form
    93.46/140.21 = 32.59/x
  3. Step 3: Cross multiply
    93.46x = 140.21 × 32.59
  4. Step 4: Simplify right side
    93.46x = 4,568.93
  5. Step 5: Solve for x
    x = 4,568.93/93.46
  6. Step 6: Final answer
    x = 48.89

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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.