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Finding the Fourth Proportional to 5,777,994.88, 7,973,625.72 and 3,199,672.54

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Solution

The fourth proportional to 5,777,994.88, 7,973,625.72 and 3,199,672.54 is: 4,415,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777,994.88 : 7,973,625.72 = 3,199,672.54 : x
  2. Step 2: Convert to fraction form
    5,777,994.88/7,973,625.72 = 3,199,672.54/x
  3. Step 3: Cross multiply
    5,777,994.88x = 7,973,625.72 × 3,199,672.54
  4. Step 4: Simplify right side
    5,777,994.88x = 25,512,991,260,521.73
  5. Step 5: Solve for x
    x = 25,512,991,260,521.73/5,777,994.88
  6. Step 6: Final answer
    x = 4,415,544.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.