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Finding the Fourth Proportional to 11,819.95, 16,321.04 and 8,051.02

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Solution

The fourth proportional to 11,819.95, 16,321.04 and 8,051.02 is: 11,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.95 : 16,321.04 = 8,051.02 : x
  2. Step 2: Convert to fraction form
    11,819.95/16,321.04 = 8,051.02/x
  3. Step 3: Cross multiply
    11,819.95x = 16,321.04 × 8,051.02
  4. Step 4: Simplify right side
    11,819.95x = 131,401,019.46
  5. Step 5: Solve for x
    x = 131,401,019.46/11,819.95
  6. Step 6: Final answer
    x = 11,116.88

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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.