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Finding the Fourth Proportional to 5,905,794.54, 8,149,994.77 and 3,189,540.54

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Solution

The fourth proportional to 5,905,794.54, 8,149,994.77 and 3,189,540.54 is: 4,401,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905,794.54 : 8,149,994.77 = 3,189,540.54 : x
  2. Step 2: Convert to fraction form
    5,905,794.54/8,149,994.77 = 3,189,540.54/x
  3. Step 3: Cross multiply
    5,905,794.54x = 8,149,994.77 × 3,189,540.54
  4. Step 4: Simplify right side
    5,905,794.54x = 25,994,738,748,272.00
  5. Step 5: Solve for x
    x = 25,994,738,748,272.00/5,905,794.54
  6. Step 6: Final answer
    x = 4,401,565.03

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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.