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Finding the Fourth Proportional to 45,953.18, 68,902.07 and 20,648.06

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Solution

The fourth proportional to 45,953.18, 68,902.07 and 20,648.06 is: 30,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,953.18 : 68,902.07 = 20,648.06 : x
  2. Step 2: Convert to fraction form
    45,953.18/68,902.07 = 20,648.06/x
  3. Step 3: Cross multiply
    45,953.18x = 68,902.07 × 20,648.06
  4. Step 4: Simplify right side
    45,953.18x = 1,422,694,075.48
  5. Step 5: Solve for x
    x = 1,422,694,075.48/45,953.18
  6. Step 6: Final answer
    x = 30,959.64

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