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Finding the Fourth Proportional to 26,992.44, 40,502.03 and 12,199.82

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Solution

The fourth proportional to 26,992.44, 40,502.03 and 12,199.82 is: 18,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,992.44 : 40,502.03 = 12,199.82 : x
  2. Step 2: Convert to fraction form
    26,992.44/40,502.03 = 12,199.82/x
  3. Step 3: Cross multiply
    26,992.44x = 40,502.03 × 12,199.82
  4. Step 4: Simplify right side
    26,992.44x = 494,117,212.13
  5. Step 5: Solve for x
    x = 494,117,212.13/26,992.44
  6. Step 6: Final answer
    x = 18,305.76

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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.