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Finding the Fourth Proportional to 8,932.92, 13,399.96 and 2,692.68

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Solution

The fourth proportional to 8,932.92, 13,399.96 and 2,692.68 is: 4,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.92 : 13,399.96 = 2,692.68 : x
  2. Step 2: Convert to fraction form
    8,932.92/13,399.96 = 2,692.68/x
  3. Step 3: Cross multiply
    8,932.92x = 13,399.96 × 2,692.68
  4. Step 4: Simplify right side
    8,932.92x = 36,081,804.29
  5. Step 5: Solve for x
    x = 36,081,804.29/8,932.92
  6. Step 6: Final answer
    x = 4,039.19

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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.