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Finding the Fourth Proportional to 3,956.67, 5,935.05 and 3,836.34

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Solution

The fourth proportional to 3,956.67, 5,935.05 and 3,836.34 is: 5,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.67 : 5,935.05 = 3,836.34 : x
  2. Step 2: Convert to fraction form
    3,956.67/5,935.05 = 3,836.34/x
  3. Step 3: Cross multiply
    3,956.67x = 5,935.05 × 3,836.34
  4. Step 4: Simplify right side
    3,956.67x = 22,768,869.72
  5. Step 5: Solve for x
    x = 22,768,869.72/3,956.67
  6. Step 6: Final answer
    x = 5,754.55

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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.