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Finding the Fourth Proportional to 55,328.37, 83,075.57 and 31,662.63

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Solution

The fourth proportional to 55,328.37, 83,075.57 and 31,662.63 is: 47,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,328.37 : 83,075.57 = 31,662.63 : x
  2. Step 2: Convert to fraction form
    55,328.37/83,075.57 = 31,662.63/x
  3. Step 3: Cross multiply
    55,328.37x = 83,075.57 × 31,662.63
  4. Step 4: Simplify right side
    55,328.37x = 2,630,391,523.95
  5. Step 5: Solve for x
    x = 2,630,391,523.95/55,328.37
  6. Step 6: Final answer
    x = 47,541.46

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