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Finding the Fourth Proportional to 1,956.24, 2,932.20 and 801

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Solution

The fourth proportional to 1,956.24, 2,932.20 and 801 is: 1,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.24 : 2,932.20 = 801 : x
  2. Step 2: Convert to fraction form
    1,956.24/2,932.20 = 801/x
  3. Step 3: Cross multiply
    1,956.24x = 2,932.20 × 801
  4. Step 4: Simplify right side
    1,956.24x = 2,348,692.20
  5. Step 5: Solve for x
    x = 2,348,692.20/1,956.24
  6. Step 6: Final answer
    x = 1,200.62

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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.