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Finding the Fourth Proportional to 12,065.34, 18,100.43 and 4,168.14

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Solution

The fourth proportional to 12,065.34, 18,100.43 and 4,168.14 is: 6,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.34 : 18,100.43 = 4,168.14 : x
  2. Step 2: Convert to fraction form
    12,065.34/18,100.43 = 4,168.14/x
  3. Step 3: Cross multiply
    12,065.34x = 18,100.43 × 4,168.14
  4. Step 4: Simplify right side
    12,065.34x = 75,445,121.09
  5. Step 5: Solve for x
    x = 75,445,121.09/12,065.34
  6. Step 6: Final answer
    x = 6,253.05

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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.