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Finding the Fourth Proportional to 51,296.56, 70,792.80 and 28,640.04

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Solution

The fourth proportional to 51,296.56, 70,792.80 and 28,640.04 is: 39,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,296.56 : 70,792.80 = 28,640.04 : x
  2. Step 2: Convert to fraction form
    51,296.56/70,792.80 = 28,640.04/x
  3. Step 3: Cross multiply
    51,296.56x = 70,792.80 × 28,640.04
  4. Step 4: Simplify right side
    51,296.56x = 2,027,508,623.71
  5. Step 5: Solve for x
    x = 2,027,508,623.71/51,296.56
  6. Step 6: Final answer
    x = 39,525.24

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