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Finding the Fourth Proportional to 14,216.56, 19,622.96 and 8,249.56

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Solution

The fourth proportional to 14,216.56, 19,622.96 and 8,249.56 is: 11,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.56 : 19,622.96 = 8,249.56 : x
  2. Step 2: Convert to fraction form
    14,216.56/19,622.96 = 8,249.56/x
  3. Step 3: Cross multiply
    14,216.56x = 19,622.96 × 8,249.56
  4. Step 4: Simplify right side
    14,216.56x = 161,880,785.90
  5. Step 5: Solve for x
    x = 161,880,785.90/14,216.56
  6. Step 6: Final answer
    x = 11,386.78

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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.