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Finding the Fourth Proportional to 5,728,737.66, 7,905,500.30 and 3,150,418.44

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Solution

The fourth proportional to 5,728,737.66, 7,905,500.30 and 3,150,418.44 is: 4,347,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,737.66 : 7,905,500.30 = 3,150,418.44 : x
  2. Step 2: Convert to fraction form
    5,728,737.66/7,905,500.30 = 3,150,418.44/x
  3. Step 3: Cross multiply
    5,728,737.66x = 7,905,500.30 × 3,150,418.44
  4. Step 4: Simplify right side
    5,728,737.66x = 24,905,633,906,793.44
  5. Step 5: Solve for x
    x = 24,905,633,906,793.44/5,728,737.66
  6. Step 6: Final answer
    x = 4,347,490.74

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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.