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Finding the Fourth Proportional to 93.35, 140.00 and 39.24

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Solution

The fourth proportional to 93.35, 140.00 and 39.24 is: 58.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.35 : 140.00 = 39.24 : x
  2. Step 2: Convert to fraction form
    93.35/140.00 = 39.24/x
  3. Step 3: Cross multiply
    93.35x = 140.00 × 39.24
  4. Step 4: Simplify right side
    93.35x = 5,493.03
  5. Step 5: Solve for x
    x = 5,493.03/93.35
  6. Step 6: Final answer
    x = 58.84

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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.