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Finding the Fourth Proportional to 16,073.44, 22,181.32 and 8,999.86

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Solution

The fourth proportional to 16,073.44, 22,181.32 and 8,999.86 is: 12,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,073.44 : 22,181.32 = 8,999.86 : x
  2. Step 2: Convert to fraction form
    16,073.44/22,181.32 = 8,999.86/x
  3. Step 3: Cross multiply
    16,073.44x = 22,181.32 × 8,999.86
  4. Step 4: Simplify right side
    16,073.44x = 199,628,774.62
  5. Step 5: Solve for x
    x = 199,628,774.62/16,073.44
  6. Step 6: Final answer
    x = 12,419.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.