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Finding the Fourth Proportional to 7,994,976.91, 11,993,305.47 and 2,604,047.11

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Solution

The fourth proportional to 7,994,976.91, 11,993,305.47 and 2,604,047.11 is: 3,906,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994,976.91 : 11,993,305.47 = 2,604,047.11 : x
  2. Step 2: Convert to fraction form
    7,994,976.91/11,993,305.47 = 2,604,047.11/x
  3. Step 3: Cross multiply
    7,994,976.91x = 11,993,305.47 × 2,604,047.11
  4. Step 4: Simplify right side
    7,994,976.91x = 31,231,132,448,500.69
  5. Step 5: Solve for x
    x = 31,231,132,448,500.69/7,994,976.91
  6. Step 6: Final answer
    x = 3,906,344.30

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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.