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Finding the Fourth Proportional to 13,019.08, 17,963.22 and 7,353.94

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Solution

The fourth proportional to 13,019.08, 17,963.22 and 7,353.94 is: 10,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.08 : 17,963.22 = 7,353.94 : x
  2. Step 2: Convert to fraction form
    13,019.08/17,963.22 = 7,353.94/x
  3. Step 3: Cross multiply
    13,019.08x = 17,963.22 × 7,353.94
  4. Step 4: Simplify right side
    13,019.08x = 132,100,442.09
  5. Step 5: Solve for x
    x = 132,100,442.09/13,019.08
  6. Step 6: Final answer
    x = 10,146.68

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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.