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Finding the Fourth Proportional to 11,181.99, 16,773 and 2,861.71

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Solution

The fourth proportional to 11,181.99, 16,773 and 2,861.71 is: 4,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.99 : 16,773 = 2,861.71 : x
  2. Step 2: Convert to fraction form
    11,181.99/16,773 = 2,861.71/x
  3. Step 3: Cross multiply
    11,181.99x = 16,773 × 2,861.71
  4. Step 4: Simplify right side
    11,181.99x = 47,999,461.83
  5. Step 5: Solve for x
    x = 47,999,461.83/11,181.99
  6. Step 6: Final answer
    x = 4,292.57

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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.