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Finding the Fourth Proportional to 8,392,978.07, 12,589,466.41 and 2,327,709.69

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Solution

The fourth proportional to 8,392,978.07, 12,589,466.41 and 2,327,709.69 is: 3,491,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392,978.07 : 12,589,466.41 = 2,327,709.69 : x
  2. Step 2: Convert to fraction form
    8,392,978.07/12,589,466.41 = 2,327,709.69/x
  3. Step 3: Cross multiply
    8,392,978.07x = 12,589,466.41 × 2,327,709.69
  4. Step 4: Simplify right side
    8,392,978.07x = 29,304,622,954,486.51
  5. Step 5: Solve for x
    x = 29,304,622,954,486.51/8,392,978.07
  6. Step 6: Final answer
    x = 3,491,564.34

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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.