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Finding the Fourth Proportional to 14,688.40, 22,003.80 and 8,827.60

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Solution

The fourth proportional to 14,688.40, 22,003.80 and 8,827.60 is: 13,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.40 : 22,003.80 = 8,827.60 : x
  2. Step 2: Convert to fraction form
    14,688.40/22,003.80 = 8,827.60/x
  3. Step 3: Cross multiply
    14,688.40x = 22,003.80 × 8,827.60
  4. Step 4: Simplify right side
    14,688.40x = 194,240,744.88
  5. Step 5: Solve for x
    x = 194,240,744.88/14,688.40
  6. Step 6: Final answer
    x = 13,224.09

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