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Finding the Fourth Proportional to 7,959.26, 11,930.64 and 2,692.49

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Solution

The fourth proportional to 7,959.26, 11,930.64 and 2,692.49 is: 4,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.26 : 11,930.64 = 2,692.49 : x
  2. Step 2: Convert to fraction form
    7,959.26/11,930.64 = 2,692.49/x
  3. Step 3: Cross multiply
    7,959.26x = 11,930.64 × 2,692.49
  4. Step 4: Simplify right side
    7,959.26x = 32,123,141.40
  5. Step 5: Solve for x
    x = 32,123,141.40/7,959.26
  6. Step 6: Final answer
    x = 4,035.94

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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.