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Finding the Fourth Proportional to 21,708.07, 32,482.82 and 12,827.63

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Solution

The fourth proportional to 21,708.07, 32,482.82 and 12,827.63 is: 19,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.07 : 32,482.82 = 12,827.63 : x
  2. Step 2: Convert to fraction form
    21,708.07/32,482.82 = 12,827.63/x
  3. Step 3: Cross multiply
    21,708.07x = 32,482.82 × 12,827.63
  4. Step 4: Simplify right side
    21,708.07x = 416,677,709.59
  5. Step 5: Solve for x
    x = 416,677,709.59/21,708.07
  6. Step 6: Final answer
    x = 19,194.60

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