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Finding the Fourth Proportional to 8,676.85, 12,995.82 and 6,723.13

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Solution

The fourth proportional to 8,676.85, 12,995.82 and 6,723.13 is: 10,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.85 : 12,995.82 = 6,723.13 : x
  2. Step 2: Convert to fraction form
    8,676.85/12,995.82 = 6,723.13/x
  3. Step 3: Cross multiply
    8,676.85x = 12,995.82 × 6,723.13
  4. Step 4: Simplify right side
    8,676.85x = 87,372,587.32
  5. Step 5: Solve for x
    x = 87,372,587.32/8,676.85
  6. Step 6: Final answer
    x = 10,069.62

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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.