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Finding the Fourth Proportional to 6,669,163.52, 9,203,325.76 and 3,768,491.76

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Solution

The fourth proportional to 6,669,163.52, 9,203,325.76 and 3,768,491.76 is: 5,200,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669,163.52 : 9,203,325.76 = 3,768,491.76 : x
  2. Step 2: Convert to fraction form
    6,669,163.52/9,203,325.76 = 3,768,491.76/x
  3. Step 3: Cross multiply
    6,669,163.52x = 9,203,325.76 × 3,768,491.76
  4. Step 4: Simplify right side
    6,669,163.52x = 34,682,657,291,155.73
  5. Step 5: Solve for x
    x = 34,682,657,291,155.73/6,669,163.52
  6. Step 6: Final answer
    x = 5,200,450.88

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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.