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Finding the Fourth Proportional to 35,919.63, 53,879.43 and 16,203.81

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Solution

The fourth proportional to 35,919.63, 53,879.43 and 16,203.81 is: 24,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,919.63 : 53,879.43 = 16,203.81 : x
  2. Step 2: Convert to fraction form
    35,919.63/53,879.43 = 16,203.81/x
  3. Step 3: Cross multiply
    35,919.63x = 53,879.43 × 16,203.81
  4. Step 4: Simplify right side
    35,919.63x = 873,052,046.63
  5. Step 5: Solve for x
    x = 873,052,046.63/35,919.63
  6. Step 6: Final answer
    x = 24,305.71

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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.