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Finding the Fourth Proportional to 58,474.80, 87,712.20 and 36,021.60

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Solution

The fourth proportional to 58,474.80, 87,712.20 and 36,021.60 is: 54,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,474.80 : 87,712.20 = 36,021.60 : x
  2. Step 2: Convert to fraction form
    58,474.80/87,712.20 = 36,021.60/x
  3. Step 3: Cross multiply
    58,474.80x = 87,712.20 × 36,021.60
  4. Step 4: Simplify right side
    58,474.80x = 3,159,533,783.52
  5. Step 5: Solve for x
    x = 3,159,533,783.52/58,474.80
  6. Step 6: Final answer
    x = 54,032.40

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