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Finding the Fourth Proportional to 8,071.60, 12,090.38 and 3,692.74

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Solution

The fourth proportional to 8,071.60, 12,090.38 and 3,692.74 is: 5,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.60 : 12,090.38 = 3,692.74 : x
  2. Step 2: Convert to fraction form
    8,071.60/12,090.38 = 3,692.74/x
  3. Step 3: Cross multiply
    8,071.60x = 12,090.38 × 3,692.74
  4. Step 4: Simplify right side
    8,071.60x = 44,646,629.84
  5. Step 5: Solve for x
    x = 44,646,629.84/8,071.60
  6. Step 6: Final answer
    x = 5,531.32

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