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Finding the Fourth Proportional to 12,065.43, 16,650.96 and 6,761.96

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Solution

The fourth proportional to 12,065.43, 16,650.96 and 6,761.96 is: 9,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.43 : 16,650.96 = 6,761.96 : x
  2. Step 2: Convert to fraction form
    12,065.43/16,650.96 = 6,761.96/x
  3. Step 3: Cross multiply
    12,065.43x = 16,650.96 × 6,761.96
  4. Step 4: Simplify right side
    12,065.43x = 112,593,042.23
  5. Step 5: Solve for x
    x = 112,593,042.23/12,065.43
  6. Step 6: Final answer
    x = 9,331.87

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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.