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Finding the Fourth Proportional to 18,002,563.73, 24,843,617.08 and 9,742,627.20

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Solution

The fourth proportional to 18,002,563.73, 24,843,617.08 and 9,742,627.20 is: 13,444,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002,563.73 : 24,843,617.08 = 9,742,627.20 : x
  2. Step 2: Convert to fraction form
    18,002,563.73/24,843,617.08 = 9,742,627.20/x
  3. Step 3: Cross multiply
    18,002,563.73x = 24,843,617.08 × 9,742,627.20
  4. Step 4: Simplify right side
    18,002,563.73x = 242,042,099,485,636
  5. Step 5: Solve for x
    x = 242,042,099,485,636/18,002,563.73
  6. Step 6: Final answer
    x = 13,444,868.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.