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Finding the Fourth Proportional to 21,798.84, 32,696.37 and 13,480.14

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Solution

The fourth proportional to 21,798.84, 32,696.37 and 13,480.14 is: 20,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798.84 : 32,696.37 = 13,480.14 : x
  2. Step 2: Convert to fraction form
    21,798.84/32,696.37 = 13,480.14/x
  3. Step 3: Cross multiply
    21,798.84x = 32,696.37 × 13,480.14
  4. Step 4: Simplify right side
    21,798.84x = 440,751,645.09
  5. Step 5: Solve for x
    x = 440,751,645.09/21,798.84
  6. Step 6: Final answer
    x = 20,219.04

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