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Finding the Fourth Proportional to 17,058,468.72, 25,571,956.68 and 8,531,384.88

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Solution

The fourth proportional to 17,058,468.72, 25,571,956.68 and 8,531,384.88 is: 12,789,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,058,468.72 : 25,571,956.68 = 8,531,384.88 : x
  2. Step 2: Convert to fraction form
    17,058,468.72/25,571,956.68 = 8,531,384.88/x
  3. Step 3: Cross multiply
    17,058,468.72x = 25,571,956.68 × 8,531,384.88
  4. Step 4: Simplify right side
    17,058,468.72x = 218,164,204,571,767.03
  5. Step 5: Solve for x
    x = 218,164,204,571,767.03/17,058,468.72
  6. Step 6: Final answer
    x = 12,789,202.13

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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.