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Finding the Fourth Proportional to 48,828.70, 73,228.65 and 19,236.70

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Solution

The fourth proportional to 48,828.70, 73,228.65 and 19,236.70 is: 28,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,828.70 : 73,228.65 = 19,236.70 : x
  2. Step 2: Convert to fraction form
    48,828.70/73,228.65 = 19,236.70/x
  3. Step 3: Cross multiply
    48,828.70x = 73,228.65 × 19,236.70
  4. Step 4: Simplify right side
    48,828.70x = 1,408,677,571.46
  5. Step 5: Solve for x
    x = 1,408,677,571.46/48,828.70
  6. Step 6: Final answer
    x = 28,849.38

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