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Finding the Fourth Proportional to 52,544.80, 78,824.40 and 19,256.80

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Solution

The fourth proportional to 52,544.80, 78,824.40 and 19,256.80 is: 28,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,544.80 : 78,824.40 = 19,256.80 : x
  2. Step 2: Convert to fraction form
    52,544.80/78,824.40 = 19,256.80/x
  3. Step 3: Cross multiply
    52,544.80x = 78,824.40 × 19,256.80
  4. Step 4: Simplify right side
    52,544.80x = 1,517,905,705.92
  5. Step 5: Solve for x
    x = 1,517,905,705.92/52,544.80
  6. Step 6: Final answer
    x = 28,887.84

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