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Finding the Fourth Proportional to 7,168.62, 9,890.19 and 4,516.14

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Solution

The fourth proportional to 7,168.62, 9,890.19 and 4,516.14 is: 6,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.62 : 9,890.19 = 4,516.14 : x
  2. Step 2: Convert to fraction form
    7,168.62/9,890.19 = 4,516.14/x
  3. Step 3: Cross multiply
    7,168.62x = 9,890.19 × 4,516.14
  4. Step 4: Simplify right side
    7,168.62x = 44,665,482.67
  5. Step 5: Solve for x
    x = 44,665,482.67/7,168.62
  6. Step 6: Final answer
    x = 6,230.69

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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.