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Finding the Fourth Proportional to 11,568.96, 15,965.09 and 6,263.76

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Solution

The fourth proportional to 11,568.96, 15,965.09 and 6,263.76 is: 8,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.96 : 15,965.09 = 6,263.76 : x
  2. Step 2: Convert to fraction form
    11,568.96/15,965.09 = 6,263.76/x
  3. Step 3: Cross multiply
    11,568.96x = 15,965.09 × 6,263.76
  4. Step 4: Simplify right side
    11,568.96x = 100,001,380.99
  5. Step 5: Solve for x
    x = 100,001,380.99/11,568.96
  6. Step 6: Final answer
    x = 8,643.94

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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.