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Finding the Fourth Proportional to 6,692.48, 10,039.20 and 2,797.28

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Solution

The fourth proportional to 6,692.48, 10,039.20 and 2,797.28 is: 4,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.48 : 10,039.20 = 2,797.28 : x
  2. Step 2: Convert to fraction form
    6,692.48/10,039.20 = 2,797.28/x
  3. Step 3: Cross multiply
    6,692.48x = 10,039.20 × 2,797.28
  4. Step 4: Simplify right side
    6,692.48x = 28,082,453.38
  5. Step 5: Solve for x
    x = 28,082,453.38/6,692.48
  6. Step 6: Final answer
    x = 4,196.12

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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.