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Finding the Fourth Proportional to 21,896.34, 32,847.74 and 8,044.26

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Solution

The fourth proportional to 21,896.34, 32,847.74 and 8,044.26 is: 12,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896.34 : 32,847.74 = 8,044.26 : x
  2. Step 2: Convert to fraction form
    21,896.34/32,847.74 = 8,044.26/x
  3. Step 3: Cross multiply
    21,896.34x = 32,847.74 × 8,044.26
  4. Step 4: Simplify right side
    21,896.34x = 264,235,760.97
  5. Step 5: Solve for x
    x = 264,235,760.97/21,896.34
  6. Step 6: Final answer
    x = 12,067.58

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1.5x scale

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.