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Finding the Fourth Proportional to 93.60, 140.43 and 32.77

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Solution

The fourth proportional to 93.60, 140.43 and 32.77 is: 49.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.60 : 140.43 = 32.77 : x
  2. Step 2: Convert to fraction form
    93.60/140.43 = 32.77/x
  3. Step 3: Cross multiply
    93.60x = 140.43 × 32.77
  4. Step 4: Simplify right side
    93.60x = 4,601.89
  5. Step 5: Solve for x
    x = 4,601.89/93.60
  6. Step 6: Final answer
    x = 49.17

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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.