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Finding the Fourth Proportional to 93.66, 140.49 and 32.76

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Solution

The fourth proportional to 93.66, 140.49 and 32.76 is: 49.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.66 : 140.49 = 32.76 : x
  2. Step 2: Convert to fraction form
    93.66/140.49 = 32.76/x
  3. Step 3: Cross multiply
    93.66x = 140.49 × 32.76
  4. Step 4: Simplify right side
    93.66x = 4,602.45
  5. Step 5: Solve for x
    x = 4,602.45/93.66
  6. Step 6: Final answer
    x = 49.14

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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.