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Finding the Fourth Proportional to 12,034.44, 18,025.20 and 9,930.60

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Solution

The fourth proportional to 12,034.44, 18,025.20 and 9,930.60 is: 14,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.44 : 18,025.20 = 9,930.60 : x
  2. Step 2: Convert to fraction form
    12,034.44/18,025.20 = 9,930.60/x
  3. Step 3: Cross multiply
    12,034.44x = 18,025.20 × 9,930.60
  4. Step 4: Simplify right side
    12,034.44x = 179,001,051.12
  5. Step 5: Solve for x
    x = 179,001,051.12/12,034.44
  6. Step 6: Final answer
    x = 14,874.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.