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Finding the Fourth Proportional to 36,448.08, 54,672 and 11,490.31

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Solution

The fourth proportional to 36,448.08, 54,672 and 11,490.31 is: 17,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,448.08 : 54,672 = 11,490.31 : x
  2. Step 2: Convert to fraction form
    36,448.08/54,672 = 11,490.31/x
  3. Step 3: Cross multiply
    36,448.08x = 54,672 × 11,490.31
  4. Step 4: Simplify right side
    36,448.08x = 628,198,228.32
  5. Step 5: Solve for x
    x = 628,198,228.32/36,448.08
  6. Step 6: Final answer
    x = 17,235.43

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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.