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Finding the Fourth Proportional to 16,405.95, 24,619.80 and 9,015.57

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Solution

The fourth proportional to 16,405.95, 24,619.80 and 9,015.57 is: 13,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.95 : 24,619.80 = 9,015.57 : x
  2. Step 2: Convert to fraction form
    16,405.95/24,619.80 = 9,015.57/x
  3. Step 3: Cross multiply
    16,405.95x = 24,619.80 × 9,015.57
  4. Step 4: Simplify right side
    16,405.95x = 221,961,530.29
  5. Step 5: Solve for x
    x = 221,961,530.29/16,405.95
  6. Step 6: Final answer
    x = 13,529.33

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