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Finding the Fourth Proportional to 9,259.70, 13,890.28 and 3,019.58

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Solution

The fourth proportional to 9,259.70, 13,890.28 and 3,019.58 is: 4,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.70 : 13,890.28 = 3,019.58 : x
  2. Step 2: Convert to fraction form
    9,259.70/13,890.28 = 3,019.58/x
  3. Step 3: Cross multiply
    9,259.70x = 13,890.28 × 3,019.58
  4. Step 4: Simplify right side
    9,259.70x = 41,942,811.68
  5. Step 5: Solve for x
    x = 41,942,811.68/9,259.70
  6. Step 6: Final answer
    x = 4,529.61

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