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Finding the Fourth Proportional to 29,081.88, 43,613.23 and 11,311.29

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Solution

The fourth proportional to 29,081.88, 43,613.23 and 11,311.29 is: 16,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.88 : 43,613.23 = 11,311.29 : x
  2. Step 2: Convert to fraction form
    29,081.88/43,613.23 = 11,311.29/x
  3. Step 3: Cross multiply
    29,081.88x = 43,613.23 × 11,311.29
  4. Step 4: Simplify right side
    29,081.88x = 493,321,892.37
  5. Step 5: Solve for x
    x = 493,321,892.37/29,081.88
  6. Step 6: Final answer
    x = 16,963.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.