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Finding the Fourth Proportional to 61,980.82, 85,530.06 and 33,686.32

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Solution

The fourth proportional to 61,980.82, 85,530.06 and 33,686.32 is: 46,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.82 : 85,530.06 = 33,686.32 : x
  2. Step 2: Convert to fraction form
    61,980.82/85,530.06 = 33,686.32/x
  3. Step 3: Cross multiply
    61,980.82x = 85,530.06 × 33,686.32
  4. Step 4: Simplify right side
    61,980.82x = 2,881,192,970.78
  5. Step 5: Solve for x
    x = 2,881,192,970.78/61,980.82
  6. Step 6: Final answer
    x = 46,485.23

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