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Finding the Fourth Proportional to 28,803.80, 43,195.80 and 14,003.18

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Solution

The fourth proportional to 28,803.80, 43,195.80 and 14,003.18 is: 20,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.80 : 43,195.80 = 14,003.18 : x
  2. Step 2: Convert to fraction form
    28,803.80/43,195.80 = 14,003.18/x
  3. Step 3: Cross multiply
    28,803.80x = 43,195.80 × 14,003.18
  4. Step 4: Simplify right side
    28,803.80x = 604,878,562.64
  5. Step 5: Solve for x
    x = 604,878,562.64/28,803.80
  6. Step 6: Final answer
    x = 20,999.96

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