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Finding the Fourth Proportional to 21,750.76, 32,623.36 and 6,958.44

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Solution

The fourth proportional to 21,750.76, 32,623.36 and 6,958.44 is: 10,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.76 : 32,623.36 = 6,958.44 : x
  2. Step 2: Convert to fraction form
    21,750.76/32,623.36 = 6,958.44/x
  3. Step 3: Cross multiply
    21,750.76x = 32,623.36 × 6,958.44
  4. Step 4: Simplify right side
    21,750.76x = 227,007,693.16
  5. Step 5: Solve for x
    x = 227,007,693.16/21,750.76
  6. Step 6: Final answer
    x = 10,436.77

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