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Finding the Fourth Proportional to 52,855.81, 79,128.20 and 35,282.05

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Solution

The fourth proportional to 52,855.81, 79,128.20 and 35,282.05 is: 52,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855.81 : 79,128.20 = 35,282.05 : x
  2. Step 2: Convert to fraction form
    52,855.81/79,128.20 = 35,282.05/x
  3. Step 3: Cross multiply
    52,855.81x = 79,128.20 × 35,282.05
  4. Step 4: Simplify right side
    52,855.81x = 2,791,804,932.40
  5. Step 5: Solve for x
    x = 2,791,804,932.40/52,855.81
  6. Step 6: Final answer
    x = 52,819.26

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