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Finding the Fourth Proportional to 51,128.32, 76,627.86 and 23,018.44

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Solution

The fourth proportional to 51,128.32, 76,627.86 and 23,018.44 is: 34,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.32 : 76,627.86 = 23,018.44 : x
  2. Step 2: Convert to fraction form
    51,128.32/76,627.86 = 23,018.44/x
  3. Step 3: Cross multiply
    51,128.32x = 76,627.86 × 23,018.44
  4. Step 4: Simplify right side
    51,128.32x = 1,763,853,797.74
  5. Step 5: Solve for x
    x = 1,763,853,797.74/51,128.32
  6. Step 6: Final answer
    x = 34,498.57

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