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Finding the Fourth Proportional to 33,636.68, 50,455.03 and 13,893.54

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Solution

The fourth proportional to 33,636.68, 50,455.03 and 13,893.54 is: 20,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,636.68 : 50,455.03 = 13,893.54 : x
  2. Step 2: Convert to fraction form
    33,636.68/50,455.03 = 13,893.54/x
  3. Step 3: Cross multiply
    33,636.68x = 50,455.03 × 13,893.54
  4. Step 4: Simplify right side
    33,636.68x = 700,998,977.51
  5. Step 5: Solve for x
    x = 700,998,977.51/33,636.68
  6. Step 6: Final answer
    x = 20,840.31

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1.5x scale

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.