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Finding the Fourth Proportional to 7,363.72, 10,163.10 and 4,379.68

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Solution

The fourth proportional to 7,363.72, 10,163.10 and 4,379.68 is: 6,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.72 : 10,163.10 = 4,379.68 : x
  2. Step 2: Convert to fraction form
    7,363.72/10,163.10 = 4,379.68/x
  3. Step 3: Cross multiply
    7,363.72x = 10,163.10 × 4,379.68
  4. Step 4: Simplify right side
    7,363.72x = 44,511,125.81
  5. Step 5: Solve for x
    x = 44,511,125.81/7,363.72
  6. Step 6: Final answer
    x = 6,044.65

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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.