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Finding the Fourth Proportional to 34,136.30, 47,088.80 and 21,367.31

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Solution

The fourth proportional to 34,136.30, 47,088.80 and 21,367.31 is: 29,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136.30 : 47,088.80 = 21,367.31 : x
  2. Step 2: Convert to fraction form
    34,136.30/47,088.80 = 21,367.31/x
  3. Step 3: Cross multiply
    34,136.30x = 47,088.80 × 21,367.31
  4. Step 4: Simplify right side
    34,136.30x = 1,006,161,062.19
  5. Step 5: Solve for x
    x = 1,006,161,062.19/34,136.30
  6. Step 6: Final answer
    x = 29,474.82

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