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Finding the Fourth Proportional to 30,067.24, 45,086.64 and 8,999.16

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Solution

The fourth proportional to 30,067.24, 45,086.64 and 8,999.16 is: 13,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.24 : 45,086.64 = 8,999.16 : x
  2. Step 2: Convert to fraction form
    30,067.24/45,086.64 = 8,999.16/x
  3. Step 3: Cross multiply
    30,067.24x = 45,086.64 × 8,999.16
  4. Step 4: Simplify right side
    30,067.24x = 405,741,887.22
  5. Step 5: Solve for x
    x = 405,741,887.22/30,067.24
  6. Step 6: Final answer
    x = 13,494.48

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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.