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Finding the Fourth Proportional to 6,896.98, 9,517.65 and 3,753.10

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Solution

The fourth proportional to 6,896.98, 9,517.65 and 3,753.10 is: 5,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.98 : 9,517.65 = 3,753.10 : x
  2. Step 2: Convert to fraction form
    6,896.98/9,517.65 = 3,753.10/x
  3. Step 3: Cross multiply
    6,896.98x = 9,517.65 × 3,753.10
  4. Step 4: Simplify right side
    6,896.98x = 35,720,692.22
  5. Step 5: Solve for x
    x = 35,720,692.22/6,896.98
  6. Step 6: Final answer
    x = 5,179.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.