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Finding the Fourth Proportional to 5,981,608.70, 8,972,413.05 and 4,375,475.90

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Solution

The fourth proportional to 5,981,608.70, 8,972,413.05 and 4,375,475.90 is: 6,563,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981,608.70 : 8,972,413.05 = 4,375,475.90 : x
  2. Step 2: Convert to fraction form
    5,981,608.70/8,972,413.05 = 4,375,475.90/x
  3. Step 3: Cross multiply
    5,981,608.70x = 8,972,413.05 × 4,375,475.90
  4. Step 4: Simplify right side
    5,981,608.70x = 39,258,577,065,120.50
  5. Step 5: Solve for x
    x = 39,258,577,065,120.50/5,981,608.70
  6. Step 6: Final answer
    x = 6,563,213.85

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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.