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Finding the Fourth Proportional to 43,503.80, 65,263.86 and 15,039.32

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Solution

The fourth proportional to 43,503.80, 65,263.86 and 15,039.32 is: 22,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,503.80 : 65,263.86 = 15,039.32 : x
  2. Step 2: Convert to fraction form
    43,503.80/65,263.86 = 15,039.32/x
  3. Step 3: Cross multiply
    43,503.80x = 65,263.86 × 15,039.32
  4. Step 4: Simplify right side
    43,503.80x = 981,524,074.98
  5. Step 5: Solve for x
    x = 981,524,074.98/43,503.80
  6. Step 6: Final answer
    x = 22,561.80

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