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Finding the Fourth Proportional to 11,297.22, 16,936.49 and 5,370.91

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Solution

The fourth proportional to 11,297.22, 16,936.49 and 5,370.91 is: 8,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.22 : 16,936.49 = 5,370.91 : x
  2. Step 2: Convert to fraction form
    11,297.22/16,936.49 = 5,370.91/x
  3. Step 3: Cross multiply
    11,297.22x = 16,936.49 × 5,370.91
  4. Step 4: Simplify right side
    11,297.22x = 90,964,334.59
  5. Step 5: Solve for x
    x = 90,964,334.59/11,297.22
  6. Step 6: Final answer
    x = 8,051.92

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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.