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Finding the Fourth Proportional to 6,640.92, 9,962.47 and 2,692.44

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Solution

The fourth proportional to 6,640.92, 9,962.47 and 2,692.44 is: 4,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.92 : 9,962.47 = 2,692.44 : x
  2. Step 2: Convert to fraction form
    6,640.92/9,962.47 = 2,692.44/x
  3. Step 3: Cross multiply
    6,640.92x = 9,962.47 × 2,692.44
  4. Step 4: Simplify right side
    6,640.92x = 26,823,352.73
  5. Step 5: Solve for x
    x = 26,823,352.73/6,640.92
  6. Step 6: Final answer
    x = 4,039.10

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1.5x scale

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.