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Finding the Fourth Proportional to 9,221.33, 13,835.30 and 4,776.86

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Solution

The fourth proportional to 9,221.33, 13,835.30 and 4,776.86 is: 7,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.33 : 13,835.30 = 4,776.86 : x
  2. Step 2: Convert to fraction form
    9,221.33/13,835.30 = 4,776.86/x
  3. Step 3: Cross multiply
    9,221.33x = 13,835.30 × 4,776.86
  4. Step 4: Simplify right side
    9,221.33x = 66,089,198.10
  5. Step 5: Solve for x
    x = 66,089,198.10/9,221.33
  6. Step 6: Final answer
    x = 7,167.00

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