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Finding the Fourth Proportional to 8,581,817.03, 11,846,015.15 and 5,682,142.08

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Solution

The fourth proportional to 8,581,817.03, 11,846,015.15 and 5,682,142.08 is: 7,843,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,817.03 : 11,846,015.15 = 5,682,142.08 : x
  2. Step 2: Convert to fraction form
    8,581,817.03/11,846,015.15 = 5,682,142.08/x
  3. Step 3: Cross multiply
    8,581,817.03x = 11,846,015.15 × 5,682,142.08
  4. Step 4: Simplify right side
    8,581,817.03x = 67,310,741,164,132.52
  5. Step 5: Solve for x
    x = 67,310,741,164,132.52/8,581,817.03
  6. Step 6: Final answer
    x = 7,843,413.69

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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.