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Finding the Fourth Proportional to 7,997.42, 11,997.14 and 2,733.44

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Solution

The fourth proportional to 7,997.42, 11,997.14 and 2,733.44 is: 4,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.42 : 11,997.14 = 2,733.44 : x
  2. Step 2: Convert to fraction form
    7,997.42/11,997.14 = 2,733.44/x
  3. Step 3: Cross multiply
    7,997.42x = 11,997.14 × 2,733.44
  4. Step 4: Simplify right side
    7,997.42x = 32,793,388.71
  5. Step 5: Solve for x
    x = 32,793,388.71/7,997.42
  6. Step 6: Final answer
    x = 4,100.50

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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.