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Finding the Fourth Proportional to 29,575.81, 44,357.09 and 8,511.16

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Solution

The fourth proportional to 29,575.81, 44,357.09 and 8,511.16 is: 12,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,575.81 : 44,357.09 = 8,511.16 : x
  2. Step 2: Convert to fraction form
    29,575.81/44,357.09 = 8,511.16/x
  3. Step 3: Cross multiply
    29,575.81x = 44,357.09 × 8,511.16
  4. Step 4: Simplify right side
    29,575.81x = 377,530,290.12
  5. Step 5: Solve for x
    x = 377,530,290.12/29,575.81
  6. Step 6: Final answer
    x = 12,764.83

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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.