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Finding the Fourth Proportional to 8,896.91, 13,346.91 and 3,966.44

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Solution

The fourth proportional to 8,896.91, 13,346.91 and 3,966.44 is: 5,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.91 : 13,346.91 = 3,966.44 : x
  2. Step 2: Convert to fraction form
    8,896.91/13,346.91 = 3,966.44/x
  3. Step 3: Cross multiply
    8,896.91x = 13,346.91 × 3,966.44
  4. Step 4: Simplify right side
    8,896.91x = 52,939,650.97
  5. Step 5: Solve for x
    x = 52,939,650.97/8,896.91
  6. Step 6: Final answer
    x = 5,950.34

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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.