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Finding the Fourth Proportional to 28,693.62, 39,583.89 and 16,757.46

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Solution

The fourth proportional to 28,693.62, 39,583.89 and 16,757.46 is: 23,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.62 : 39,583.89 = 16,757.46 : x
  2. Step 2: Convert to fraction form
    28,693.62/39,583.89 = 16,757.46/x
  3. Step 3: Cross multiply
    28,693.62x = 39,583.89 × 16,757.46
  4. Step 4: Simplify right side
    28,693.62x = 663,325,453.32
  5. Step 5: Solve for x
    x = 663,325,453.32/28,693.62
  6. Step 6: Final answer
    x = 23,117.52

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