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Finding the Fourth Proportional to 12,029.67, 16,600.89 and 6,724.38

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Solution

The fourth proportional to 12,029.67, 16,600.89 and 6,724.38 is: 9,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.67 : 16,600.89 = 6,724.38 : x
  2. Step 2: Convert to fraction form
    12,029.67/16,600.89 = 6,724.38/x
  3. Step 3: Cross multiply
    12,029.67x = 16,600.89 × 6,724.38
  4. Step 4: Simplify right side
    12,029.67x = 111,630,692.70
  5. Step 5: Solve for x
    x = 111,630,692.70/12,029.67
  6. Step 6: Final answer
    x = 9,279.61

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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.