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Finding the Fourth Proportional to 21,928.58, 32,894.67 and 7,133.66

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Solution

The fourth proportional to 21,928.58, 32,894.67 and 7,133.66 is: 10,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.58 : 32,894.67 = 7,133.66 : x
  2. Step 2: Convert to fraction form
    21,928.58/32,894.67 = 7,133.66/x
  3. Step 3: Cross multiply
    21,928.58x = 32,894.67 × 7,133.66
  4. Step 4: Simplify right side
    21,928.58x = 234,659,391.59
  5. Step 5: Solve for x
    x = 234,659,391.59/21,928.58
  6. Step 6: Final answer
    x = 10,701.08

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