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Finding the Fourth Proportional to 21,937.60, 32,868.60 and 10,226.80

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Solution

The fourth proportional to 21,937.60, 32,868.60 and 10,226.80 is: 15,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.60 : 32,868.60 = 10,226.80 : x
  2. Step 2: Convert to fraction form
    21,937.60/32,868.60 = 10,226.80/x
  3. Step 3: Cross multiply
    21,937.60x = 32,868.60 × 10,226.80
  4. Step 4: Simplify right side
    21,937.60x = 336,140,598.48
  5. Step 5: Solve for x
    x = 336,140,598.48/21,937.60
  6. Step 6: Final answer
    x = 15,322.58

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