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Finding the Fourth Proportional to 13,229.58, 19,821.42 and 8,024.52

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Solution

The fourth proportional to 13,229.58, 19,821.42 and 8,024.52 is: 12,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.58 : 19,821.42 = 8,024.52 : x
  2. Step 2: Convert to fraction form
    13,229.58/19,821.42 = 8,024.52/x
  3. Step 3: Cross multiply
    13,229.58x = 19,821.42 × 8,024.52
  4. Step 4: Simplify right side
    13,229.58x = 159,057,381.22
  5. Step 5: Solve for x
    x = 159,057,381.22/13,229.58
  6. Step 6: Final answer
    x = 12,022.86

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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.