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Finding the Fourth Proportional to 11,676.99, 17,518.85 and 5,755.66

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Solution

The fourth proportional to 11,676.99, 17,518.85 and 5,755.66 is: 8,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.99 : 17,518.85 = 5,755.66 : x
  2. Step 2: Convert to fraction form
    11,676.99/17,518.85 = 5,755.66/x
  3. Step 3: Cross multiply
    11,676.99x = 17,518.85 × 5,755.66
  4. Step 4: Simplify right side
    11,676.99x = 100,832,493.20
  5. Step 5: Solve for x
    x = 100,832,493.20/11,676.99
  6. Step 6: Final answer
    x = 8,635.14

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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.