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Finding the Fourth Proportional to 15,908.48, 21,953.32 and 8,834.84

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Solution

The fourth proportional to 15,908.48, 21,953.32 and 8,834.84 is: 12,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.48 : 21,953.32 = 8,834.84 : x
  2. Step 2: Convert to fraction form
    15,908.48/21,953.32 = 8,834.84/x
  3. Step 3: Cross multiply
    15,908.48x = 21,953.32 × 8,834.84
  4. Step 4: Simplify right side
    15,908.48x = 193,954,069.67
  5. Step 5: Solve for x
    x = 193,954,069.67/15,908.48
  6. Step 6: Final answer
    x = 12,191.87

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