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Finding the Fourth Proportional to 40,698.42, 61,037.79 and 11,116.41

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Solution

The fourth proportional to 40,698.42, 61,037.79 and 11,116.41 is: 16,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,698.42 : 61,037.79 = 11,116.41 : x
  2. Step 2: Convert to fraction form
    40,698.42/61,037.79 = 11,116.41/x
  3. Step 3: Cross multiply
    40,698.42x = 61,037.79 × 11,116.41
  4. Step 4: Simplify right side
    40,698.42x = 678,521,099.13
  5. Step 5: Solve for x
    x = 678,521,099.13/40,698.42
  6. Step 6: Final answer
    x = 16,671.93

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