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Finding the Fourth Proportional to 14,024.88, 21,029.88 and 8,183.28

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Solution

The fourth proportional to 14,024.88, 21,029.88 and 8,183.28 is: 12,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,024.88 : 21,029.88 = 8,183.28 : x
  2. Step 2: Convert to fraction form
    14,024.88/21,029.88 = 8,183.28/x
  3. Step 3: Cross multiply
    14,024.88x = 21,029.88 × 8,183.28
  4. Step 4: Simplify right side
    14,024.88x = 172,093,396.41
  5. Step 5: Solve for x
    x = 172,093,396.41/14,024.88
  6. Step 6: Final answer
    x = 12,270.58

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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.