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Finding the Fourth Proportional to 5,193,791.71, 7,826,138.98 and 4,267,903.39

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Solution

The fourth proportional to 5,193,791.71, 7,826,138.98 and 4,267,903.39 is: 6,430,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193,791.71 : 7,826,138.98 = 4,267,903.39 : x
  2. Step 2: Convert to fraction form
    5,193,791.71/7,826,138.98 = 4,267,903.39/x
  3. Step 3: Cross multiply
    5,193,791.71x = 7,826,138.98 × 4,267,903.39
  4. Step 4: Simplify right side
    5,193,791.71x = 33,401,205,083,353.14
  5. Step 5: Solve for x
    x = 33,401,205,083,353.14/5,193,791.71
  6. Step 6: Final answer
    x = 6,430,986.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.