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Finding the Fourth Proportional to 8,503,769.91, 12,755,702.49 and 2,114,022.03

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Solution

The fourth proportional to 8,503,769.91, 12,755,702.49 and 2,114,022.03 is: 3,171,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,769.91 : 12,755,702.49 = 2,114,022.03 : x
  2. Step 2: Convert to fraction form
    8,503,769.91/12,755,702.49 = 2,114,022.03/x
  3. Step 3: Cross multiply
    8,503,769.91x = 12,755,702.49 × 2,114,022.03
  4. Step 4: Simplify right side
    8,503,769.91x = 26,965,836,071,985.85
  5. Step 5: Solve for x
    x = 26,965,836,071,985.85/8,503,769.91
  6. Step 6: Final answer
    x = 3,171,044.88

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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.