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Finding the Fourth Proportional to 7,379.57, 11,073.40 and 3,483.88

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Solution

The fourth proportional to 7,379.57, 11,073.40 and 3,483.88 is: 5,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.57 : 11,073.40 = 3,483.88 : x
  2. Step 2: Convert to fraction form
    7,379.57/11,073.40 = 3,483.88/x
  3. Step 3: Cross multiply
    7,379.57x = 11,073.40 × 3,483.88
  4. Step 4: Simplify right side
    7,379.57x = 38,578,396.79
  5. Step 5: Solve for x
    x = 38,578,396.79/7,379.57
  6. Step 6: Final answer
    x = 5,227.73

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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.