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Finding the Fourth Proportional to 8,163.75, 12,250.23 and 3,483.32

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Solution

The fourth proportional to 8,163.75, 12,250.23 and 3,483.32 is: 5,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.75 : 12,250.23 = 3,483.32 : x
  2. Step 2: Convert to fraction form
    8,163.75/12,250.23 = 3,483.32/x
  3. Step 3: Cross multiply
    8,163.75x = 12,250.23 × 3,483.32
  4. Step 4: Simplify right side
    8,163.75x = 42,671,409.91
  5. Step 5: Solve for x
    x = 42,671,409.91/8,163.75
  6. Step 6: Final answer
    x = 5,226.94

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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.