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Finding the Fourth Proportional to 58,580.12, 87,852.00 and 21,135.33

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Solution

The fourth proportional to 58,580.12, 87,852.00 and 21,135.33 is: 31,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,580.12 : 87,852.00 = 21,135.33 : x
  2. Step 2: Convert to fraction form
    58,580.12/87,852.00 = 21,135.33/x
  3. Step 3: Cross multiply
    58,580.12x = 87,852.00 × 21,135.33
  4. Step 4: Simplify right side
    58,580.12x = 1,856,781,090.42
  5. Step 5: Solve for x
    x = 1,856,781,090.42/58,580.12
  6. Step 6: Final answer
    x = 31,696.44

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