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Finding the Fourth Proportional to 7,262.47, 10,891.43 and 2,331.02

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Solution

The fourth proportional to 7,262.47, 10,891.43 and 2,331.02 is: 3,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.47 : 10,891.43 = 2,331.02 : x
  2. Step 2: Convert to fraction form
    7,262.47/10,891.43 = 2,331.02/x
  3. Step 3: Cross multiply
    7,262.47x = 10,891.43 × 2,331.02
  4. Step 4: Simplify right side
    7,262.47x = 25,388,141.16
  5. Step 5: Solve for x
    x = 25,388,141.16/7,262.47
  6. Step 6: Final answer
    x = 3,495.80

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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.