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Finding the Fourth Proportional to 36,682.79, 55,016.89 and 17,954.78

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Solution

The fourth proportional to 36,682.79, 55,016.89 and 17,954.78 is: 26,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,682.79 : 55,016.89 = 17,954.78 : x
  2. Step 2: Convert to fraction form
    36,682.79/55,016.89 = 17,954.78/x
  3. Step 3: Cross multiply
    36,682.79x = 55,016.89 × 17,954.78
  4. Step 4: Simplify right side
    36,682.79x = 987,815,836.26
  5. Step 5: Solve for x
    x = 987,815,836.26/36,682.79
  6. Step 6: Final answer
    x = 26,928.59

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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.