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Finding the Fourth Proportional to 11,289.11, 15,579.02 and 6,253.22

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Solution

The fourth proportional to 11,289.11, 15,579.02 and 6,253.22 is: 8,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.11 : 15,579.02 = 6,253.22 : x
  2. Step 2: Convert to fraction form
    11,289.11/15,579.02 = 6,253.22/x
  3. Step 3: Cross multiply
    11,289.11x = 15,579.02 × 6,253.22
  4. Step 4: Simplify right side
    11,289.11x = 97,419,039.44
  5. Step 5: Solve for x
    x = 97,419,039.44/11,289.11
  6. Step 6: Final answer
    x = 8,629.47

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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.