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Finding the Fourth Proportional to 45,201.39, 67,796.89 and 11,924.09

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Solution

The fourth proportional to 45,201.39, 67,796.89 and 11,924.09 is: 17,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.39 : 67,796.89 = 11,924.09 : x
  2. Step 2: Convert to fraction form
    45,201.39/67,796.89 = 11,924.09/x
  3. Step 3: Cross multiply
    45,201.39x = 67,796.89 × 11,924.09
  4. Step 4: Simplify right side
    45,201.39x = 808,416,218.08
  5. Step 5: Solve for x
    x = 808,416,218.08/45,201.39
  6. Step 6: Final answer
    x = 17,884.76

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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.