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Finding the Fourth Proportional to 11,761.08, 17,625.94 and 6,213.12

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Solution

The fourth proportional to 11,761.08, 17,625.94 and 6,213.12 is: 9,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.08 : 17,625.94 = 6,213.12 : x
  2. Step 2: Convert to fraction form
    11,761.08/17,625.94 = 6,213.12/x
  3. Step 3: Cross multiply
    11,761.08x = 17,625.94 × 6,213.12
  4. Step 4: Simplify right side
    11,761.08x = 109,512,080.33
  5. Step 5: Solve for x
    x = 109,512,080.33/11,761.08
  6. Step 6: Final answer
    x = 9,311.40

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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.