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Finding the Fourth Proportional to 8,509,570.86, 12,764,257.89 and 2,444,451.30

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Solution

The fourth proportional to 8,509,570.86, 12,764,257.89 and 2,444,451.30 is: 3,666,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,570.86 : 12,764,257.89 = 2,444,451.30 : x
  2. Step 2: Convert to fraction form
    8,509,570.86/12,764,257.89 = 2,444,451.30/x
  3. Step 3: Cross multiply
    8,509,570.86x = 12,764,257.89 × 2,444,451.30
  4. Step 4: Simplify right side
    8,509,570.86x = 31,201,606,792,745.76
  5. Step 5: Solve for x
    x = 31,201,606,792,745.76/8,509,570.86
  6. Step 6: Final answer
    x = 3,666,648.68

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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.