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Finding the Fourth Proportional to 18,498,002.70, 27,747,004.05 and 17,616,204.30

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Solution

The fourth proportional to 18,498,002.70, 27,747,004.05 and 17,616,204.30 is: 26,424,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498,002.70 : 27,747,004.05 = 17,616,204.30 : x
  2. Step 2: Convert to fraction form
    18,498,002.70/27,747,004.05 = 17,616,204.30/x
  3. Step 3: Cross multiply
    18,498,002.70x = 27,747,004.05 × 17,616,204.30
  4. Step 4: Simplify right side
    18,498,002.70x = 488,796,892,057,727.44
  5. Step 5: Solve for x
    x = 488,796,892,057,727.44/18,498,002.70
  6. Step 6: Final answer
    x = 26,424,306.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.