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Finding the Fourth Proportional to 11,373,978.69, 17,060,968.04 and 3,800,944.44

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Solution

The fourth proportional to 11,373,978.69, 17,060,968.04 and 3,800,944.44 is: 5,701,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373,978.69 : 17,060,968.04 = 3,800,944.44 : x
  2. Step 2: Convert to fraction form
    11,373,978.69/17,060,968.04 = 3,800,944.44/x
  3. Step 3: Cross multiply
    11,373,978.69x = 17,060,968.04 × 3,800,944.44
  4. Step 4: Simplify right side
    11,373,978.69x = 64,847,791,593,650.98
  5. Step 5: Solve for x
    x = 64,847,791,593,650.98/11,373,978.69
  6. Step 6: Final answer
    x = 5,701,416.66

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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.