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Finding the Fourth Proportional to 7,997.22, 10,977.44 and 7,093.26

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Solution

The fourth proportional to 7,997.22, 10,977.44 and 7,093.26 is: 9,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.22 : 10,977.44 = 7,093.26 : x
  2. Step 2: Convert to fraction form
    7,997.22/10,977.44 = 7,093.26/x
  3. Step 3: Cross multiply
    7,997.22x = 10,977.44 × 7,093.26
  4. Step 4: Simplify right side
    7,997.22x = 77,865,800.59
  5. Step 5: Solve for x
    x = 77,865,800.59/7,997.22
  6. Step 6: Final answer
    x = 9,736.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.