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Finding the Fourth Proportional to 7,387.64, 11,083.62 and 2,193.65

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Solution

The fourth proportional to 7,387.64, 11,083.62 and 2,193.65 is: 3,291.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.64 : 11,083.62 = 2,193.65 : x
  2. Step 2: Convert to fraction form
    7,387.64/11,083.62 = 2,193.65/x
  3. Step 3: Cross multiply
    7,387.64x = 11,083.62 × 2,193.65
  4. Step 4: Simplify right side
    7,387.64x = 24,313,583.01
  5. Step 5: Solve for x
    x = 24,313,583.01/7,387.64
  6. Step 6: Final answer
    x = 3,291.12

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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.