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Finding the Fourth Proportional to 30,858.22, 46,289.04 and 8,669.86

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Solution

The fourth proportional to 30,858.22, 46,289.04 and 8,669.86 is: 13,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.22 : 46,289.04 = 8,669.86 : x
  2. Step 2: Convert to fraction form
    30,858.22/46,289.04 = 8,669.86/x
  3. Step 3: Cross multiply
    30,858.22x = 46,289.04 × 8,669.86
  4. Step 4: Simplify right side
    30,858.22x = 401,319,551.44
  5. Step 5: Solve for x
    x = 401,319,551.44/30,858.22
  6. Step 6: Final answer
    x = 13,005.27

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