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Finding the Fourth Proportional to 37,223.36, 51,368.64 and 20,456

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Solution

The fourth proportional to 37,223.36, 51,368.64 and 20,456 is: 28,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,223.36 : 51,368.64 = 20,456 : x
  2. Step 2: Convert to fraction form
    37,223.36/51,368.64 = 20,456/x
  3. Step 3: Cross multiply
    37,223.36x = 51,368.64 × 20,456
  4. Step 4: Simplify right side
    37,223.36x = 1,050,796,899.84
  5. Step 5: Solve for x
    x = 1,050,796,899.84/37,223.36
  6. Step 6: Final answer
    x = 28,229.50

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