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Finding the Fourth Proportional to 7,994,874.04, 11,993,151.91 and 2,603,945.01

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Solution

The fourth proportional to 7,994,874.04, 11,993,151.91 and 2,603,945.01 is: 3,906,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994,874.04 : 11,993,151.91 = 2,603,945.01 : x
  2. Step 2: Convert to fraction form
    7,994,874.04/11,993,151.91 = 2,603,945.01/x
  3. Step 3: Cross multiply
    7,994,874.04x = 11,993,151.91 × 2,603,945.01
  4. Step 4: Simplify right side
    7,994,874.04x = 31,229,508,070,216.47
  5. Step 5: Solve for x
    x = 31,229,508,070,216.47/7,994,874.04
  6. Step 6: Final answer
    x = 3,906,191.38

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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.