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Finding the Fourth Proportional to 5,361,390.07, 7,398,793.26 and 2,914,000.39

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Solution

The fourth proportional to 5,361,390.07, 7,398,793.26 and 2,914,000.39 is: 4,021,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361,390.07 : 7,398,793.26 = 2,914,000.39 : x
  2. Step 2: Convert to fraction form
    5,361,390.07/7,398,793.26 = 2,914,000.39/x
  3. Step 3: Cross multiply
    5,361,390.07x = 7,398,793.26 × 2,914,000.39
  4. Step 4: Simplify right side
    5,361,390.07x = 21,560,086,408,175.40
  5. Step 5: Solve for x
    x = 21,560,086,408,175.40/5,361,390.07
  6. Step 6: Final answer
    x = 4,021,361.28

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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.