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Finding the Fourth Proportional to 19,229.42, 28,834.14 and 8,694.41

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Solution

The fourth proportional to 19,229.42, 28,834.14 and 8,694.41 is: 13,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.42 : 28,834.14 = 8,694.41 : x
  2. Step 2: Convert to fraction form
    19,229.42/28,834.14 = 8,694.41/x
  3. Step 3: Cross multiply
    19,229.42x = 28,834.14 × 8,694.41
  4. Step 4: Simplify right side
    19,229.42x = 250,695,647.51
  5. Step 5: Solve for x
    x = 250,695,647.51/19,229.42
  6. Step 6: Final answer
    x = 13,037.09

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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.