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Finding the Fourth Proportional to 7,751, 11,626.46 and 4,295.56

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Solution

The fourth proportional to 7,751, 11,626.46 and 4,295.56 is: 6,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751 : 11,626.46 = 4,295.56 : x
  2. Step 2: Convert to fraction form
    7,751/11,626.46 = 4,295.56/x
  3. Step 3: Cross multiply
    7,751x = 11,626.46 × 4,295.56
  4. Step 4: Simplify right side
    7,751x = 49,942,156.52
  5. Step 5: Solve for x
    x = 49,942,156.52/7,751
  6. Step 6: Final answer
    x = 6,443.32

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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.