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Finding the Fourth Proportional to 11,411.50, 15,748.22 and 6,375.94

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Solution

The fourth proportional to 11,411.50, 15,748.22 and 6,375.94 is: 8,798.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.50 : 15,748.22 = 6,375.94 : x
  2. Step 2: Convert to fraction form
    11,411.50/15,748.22 = 6,375.94/x
  3. Step 3: Cross multiply
    11,411.50x = 15,748.22 × 6,375.94
  4. Step 4: Simplify right side
    11,411.50x = 100,409,705.83
  5. Step 5: Solve for x
    x = 100,409,705.83/11,411.50
  6. Step 6: Final answer
    x = 8,798.99

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