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Finding the Fourth Proportional to 5,906,945.70, 8,860,418.55 and 1,647,107.10

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Solution

The fourth proportional to 5,906,945.70, 8,860,418.55 and 1,647,107.10 is: 2,470,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906,945.70 : 8,860,418.55 = 1,647,107.10 : x
  2. Step 2: Convert to fraction form
    5,906,945.70/8,860,418.55 = 1,647,107.10/x
  3. Step 3: Cross multiply
    5,906,945.70x = 8,860,418.55 × 1,647,107.10
  4. Step 4: Simplify right side
    5,906,945.70x = 14,594,058,302,676.71
  5. Step 5: Solve for x
    x = 14,594,058,302,676.71/5,906,945.70
  6. Step 6: Final answer
    x = 2,470,660.65

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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.