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Finding the Fourth Proportional to 48,840.40, 73,260.60 and 11,904.40

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Solution

The fourth proportional to 48,840.40, 73,260.60 and 11,904.40 is: 17,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,840.40 : 73,260.60 = 11,904.40 : x
  2. Step 2: Convert to fraction form
    48,840.40/73,260.60 = 11,904.40/x
  3. Step 3: Cross multiply
    48,840.40x = 73,260.60 × 11,904.40
  4. Step 4: Simplify right side
    48,840.40x = 872,123,486.64
  5. Step 5: Solve for x
    x = 872,123,486.64/48,840.40
  6. Step 6: Final answer
    x = 17,856.60

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