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Finding the Fourth Proportional to 11,581.17, 17,395.04 and 6,910.30

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Solution

The fourth proportional to 11,581.17, 17,395.04 and 6,910.30 is: 10,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.17 : 17,395.04 = 6,910.30 : x
  2. Step 2: Convert to fraction form
    11,581.17/17,395.04 = 6,910.30/x
  3. Step 3: Cross multiply
    11,581.17x = 17,395.04 × 6,910.30
  4. Step 4: Simplify right side
    11,581.17x = 120,204,944.91
  5. Step 5: Solve for x
    x = 120,204,944.91/11,581.17
  6. Step 6: Final answer
    x = 10,379.34

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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.