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Finding the Fourth Proportional to 34,808.48, 52,211.08 and 8,511.80

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Solution

The fourth proportional to 34,808.48, 52,211.08 and 8,511.80 is: 12,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.48 : 52,211.08 = 8,511.80 : x
  2. Step 2: Convert to fraction form
    34,808.48/52,211.08 = 8,511.80/x
  3. Step 3: Cross multiply
    34,808.48x = 52,211.08 × 8,511.80
  4. Step 4: Simplify right side
    34,808.48x = 444,410,270.74
  5. Step 5: Solve for x
    x = 444,410,270.74/34,808.48
  6. Step 6: Final answer
    x = 12,767.30

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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.