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Finding the Fourth Proportional to 8,810.02, 13,215.48 and 5,109.43

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Solution

The fourth proportional to 8,810.02, 13,215.48 and 5,109.43 is: 7,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.02 : 13,215.48 = 5,109.43 : x
  2. Step 2: Convert to fraction form
    8,810.02/13,215.48 = 5,109.43/x
  3. Step 3: Cross multiply
    8,810.02x = 13,215.48 × 5,109.43
  4. Step 4: Simplify right side
    8,810.02x = 67,523,569.98
  5. Step 5: Solve for x
    x = 67,523,569.98/8,810.02
  6. Step 6: Final answer
    x = 7,664.41

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