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Finding the Fourth Proportional to 16,821,000.40, 25,243,310.40 and 7,243,252.60

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Solution

The fourth proportional to 16,821,000.40, 25,243,310.40 and 7,243,252.60 is: 10,869,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,000.40 : 25,243,310.40 = 7,243,252.60 : x
  2. Step 2: Convert to fraction form
    16,821,000.40/25,243,310.40 = 7,243,252.60/x
  3. Step 3: Cross multiply
    16,821,000.40x = 25,243,310.40 × 7,243,252.60
  4. Step 4: Simplify right side
    16,821,000.40x = 182,843,673,687,407.03
  5. Step 5: Solve for x
    x = 182,843,673,687,407.03/16,821,000.40
  6. Step 6: Final answer
    x = 10,869,964.29

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