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Finding the Fourth Proportional to 34,806.42, 52,210.44 and 8,511.39

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Solution

The fourth proportional to 34,806.42, 52,210.44 and 8,511.39 is: 12,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,806.42 : 52,210.44 = 8,511.39 : x
  2. Step 2: Convert to fraction form
    34,806.42/52,210.44 = 8,511.39/x
  3. Step 3: Cross multiply
    34,806.42x = 52,210.44 × 8,511.39
  4. Step 4: Simplify right side
    34,806.42x = 444,383,416.91
  5. Step 5: Solve for x
    x = 444,383,416.91/34,806.42
  6. Step 6: Final answer
    x = 12,767.28

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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.