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Finding the Fourth Proportional to 40,803.58, 61,205.64 and 11,224.54

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Solution

The fourth proportional to 40,803.58, 61,205.64 and 11,224.54 is: 16,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803.58 : 61,205.64 = 11,224.54 : x
  2. Step 2: Convert to fraction form
    40,803.58/61,205.64 = 11,224.54/x
  3. Step 3: Cross multiply
    40,803.58x = 61,205.64 × 11,224.54
  4. Step 4: Simplify right side
    40,803.58x = 687,005,154.41
  5. Step 5: Solve for x
    x = 687,005,154.41/40,803.58
  6. Step 6: Final answer
    x = 16,836.88

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