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Finding the Fourth Proportional to 12,068.42, 18,098.19 and 4,168.93

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Solution

The fourth proportional to 12,068.42, 18,098.19 and 4,168.93 is: 6,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.42 : 18,098.19 = 4,168.93 : x
  2. Step 2: Convert to fraction form
    12,068.42/18,098.19 = 4,168.93/x
  3. Step 3: Cross multiply
    12,068.42x = 18,098.19 × 4,168.93
  4. Step 4: Simplify right side
    12,068.42x = 75,450,087.24
  5. Step 5: Solve for x
    x = 75,450,087.24/12,068.42
  6. Step 6: Final answer
    x = 6,251.86

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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.