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Finding the Fourth Proportional to 93.84, 140.63 and 36.01

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Solution

The fourth proportional to 93.84, 140.63 and 36.01 is: 53.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.84 : 140.63 = 36.01 : x
  2. Step 2: Convert to fraction form
    93.84/140.63 = 36.01/x
  3. Step 3: Cross multiply
    93.84x = 140.63 × 36.01
  4. Step 4: Simplify right side
    93.84x = 5,063.82
  5. Step 5: Solve for x
    x = 5,063.82/93.84
  6. Step 6: Final answer
    x = 53.96

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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.