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Finding the Fourth Proportional to 11,997.52, 17,997.48 and 3,677.44

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Solution

The fourth proportional to 11,997.52, 17,997.48 and 3,677.44 is: 5,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.52 : 17,997.48 = 3,677.44 : x
  2. Step 2: Convert to fraction form
    11,997.52/17,997.48 = 3,677.44/x
  3. Step 3: Cross multiply
    11,997.52x = 17,997.48 × 3,677.44
  4. Step 4: Simplify right side
    11,997.52x = 66,184,652.85
  5. Step 5: Solve for x
    x = 66,184,652.85/11,997.52
  6. Step 6: Final answer
    x = 5,516.53

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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.