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Finding the Fourth Proportional to 58,016.20, 86,894.70 and 47,648.20

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Solution

The fourth proportional to 58,016.20, 86,894.70 and 47,648.20 is: 71,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,016.20 : 86,894.70 = 47,648.20 : x
  2. Step 2: Convert to fraction form
    58,016.20/86,894.70 = 47,648.20/x
  3. Step 3: Cross multiply
    58,016.20x = 86,894.70 × 47,648.20
  4. Step 4: Simplify right side
    58,016.20x = 4,140,376,044.54
  5. Step 5: Solve for x
    x = 4,140,376,044.54/58,016.20
  6. Step 6: Final answer
    x = 71,365.86

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