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Finding the Fourth Proportional to 56,974.92, 78,624.06 and 31,483.44

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Solution

The fourth proportional to 56,974.92, 78,624.06 and 31,483.44 is: 43,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,974.92 : 78,624.06 = 31,483.44 : x
  2. Step 2: Convert to fraction form
    56,974.92/78,624.06 = 31,483.44/x
  3. Step 3: Cross multiply
    56,974.92x = 78,624.06 × 31,483.44
  4. Step 4: Simplify right side
    56,974.92x = 2,475,355,875.57
  5. Step 5: Solve for x
    x = 2,475,355,875.57/56,974.92
  6. Step 6: Final answer
    x = 43,446.41

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