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Finding the Fourth Proportional to 21,409.65, 29,544.71 and 11,849.93

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Solution

The fourth proportional to 21,409.65, 29,544.71 and 11,849.93 is: 16,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.65 : 29,544.71 = 11,849.93 : x
  2. Step 2: Convert to fraction form
    21,409.65/29,544.71 = 11,849.93/x
  3. Step 3: Cross multiply
    21,409.65x = 29,544.71 × 11,849.93
  4. Step 4: Simplify right side
    21,409.65x = 350,102,682.52
  5. Step 5: Solve for x
    x = 350,102,682.52/21,409.65
  6. Step 6: Final answer
    x = 16,352.56

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