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Finding the Fourth Proportional to 65,879.52, 90,922.32 and 37,590.72

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Solution

The fourth proportional to 65,879.52, 90,922.32 and 37,590.72 is: 51,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,879.52 : 90,922.32 = 37,590.72 : x
  2. Step 2: Convert to fraction form
    65,879.52/90,922.32 = 37,590.72/x
  3. Step 3: Cross multiply
    65,879.52x = 90,922.32 × 37,590.72
  4. Step 4: Simplify right side
    65,879.52x = 3,417,835,472.87
  5. Step 5: Solve for x
    x = 3,417,835,472.87/65,879.52
  6. Step 6: Final answer
    x = 51,880.09

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