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Finding the Fourth Proportional to 61,982.64, 85,536.61 and 33,688.40

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Solution

The fourth proportional to 61,982.64, 85,536.61 and 33,688.40 is: 46,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982.64 : 85,536.61 = 33,688.40 : x
  2. Step 2: Convert to fraction form
    61,982.64/85,536.61 = 33,688.40/x
  3. Step 3: Cross multiply
    61,982.64x = 85,536.61 × 33,688.40
  4. Step 4: Simplify right side
    61,982.64x = 2,881,591,104.64
  5. Step 5: Solve for x
    x = 2,881,591,104.64/61,982.64
  6. Step 6: Final answer
    x = 46,490.29

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