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Finding the Fourth Proportional to 13,293.88, 18,344.73 and 7,325.22

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Solution

The fourth proportional to 13,293.88, 18,344.73 and 7,325.22 is: 10,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.88 : 18,344.73 = 7,325.22 : x
  2. Step 2: Convert to fraction form
    13,293.88/18,344.73 = 7,325.22/x
  3. Step 3: Cross multiply
    13,293.88x = 18,344.73 × 7,325.22
  4. Step 4: Simplify right side
    13,293.88x = 134,379,183.09
  5. Step 5: Solve for x
    x = 134,379,183.09/13,293.88
  6. Step 6: Final answer
    x = 10,108.35

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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.