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Finding the Fourth Proportional to 36,449.40, 54,676.26 and 11,490.24

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Solution

The fourth proportional to 36,449.40, 54,676.26 and 11,490.24 is: 17,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,449.40 : 54,676.26 = 11,490.24 : x
  2. Step 2: Convert to fraction form
    36,449.40/54,676.26 = 11,490.24/x
  3. Step 3: Cross multiply
    36,449.40x = 54,676.26 × 11,490.24
  4. Step 4: Simplify right side
    36,449.40x = 628,243,349.70
  5. Step 5: Solve for x
    x = 628,243,349.70/36,449.40
  6. Step 6: Final answer
    x = 17,236.04

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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.