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Finding the Fourth Proportional to 6,692.90, 9,276.26 and 6,568.43

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Solution

The fourth proportional to 6,692.90, 9,276.26 and 6,568.43 is: 9,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.90 : 9,276.26 = 6,568.43 : x
  2. Step 2: Convert to fraction form
    6,692.90/9,276.26 = 6,568.43/x
  3. Step 3: Cross multiply
    6,692.90x = 9,276.26 × 6,568.43
  4. Step 4: Simplify right side
    6,692.90x = 60,930,385.25
  5. Step 5: Solve for x
    x = 60,930,385.25/6,692.90
  6. Step 6: Final answer
    x = 9,103.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.