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Finding the Fourth Proportional to 31,821.99, 47,752.70 and 18,501.26

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Solution

The fourth proportional to 31,821.99, 47,752.70 and 18,501.26 is: 27,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.99 : 47,752.70 = 18,501.26 : x
  2. Step 2: Convert to fraction form
    31,821.99/47,752.70 = 18,501.26/x
  3. Step 3: Cross multiply
    31,821.99x = 47,752.70 × 18,501.26
  4. Step 4: Simplify right side
    31,821.99x = 883,485,118.40
  5. Step 5: Solve for x
    x = 883,485,118.40/31,821.99
  6. Step 6: Final answer
    x = 27,763.35

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