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Finding the Fourth Proportional to 28,524.36, 42,791.64 and 9,799.56

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Solution

The fourth proportional to 28,524.36, 42,791.64 and 9,799.56 is: 14,701.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.36 : 42,791.64 = 9,799.56 : x
  2. Step 2: Convert to fraction form
    28,524.36/42,791.64 = 9,799.56/x
  3. Step 3: Cross multiply
    28,524.36x = 42,791.64 × 9,799.56
  4. Step 4: Simplify right side
    28,524.36x = 419,339,243.68
  5. Step 5: Solve for x
    x = 419,339,243.68/28,524.36
  6. Step 6: Final answer
    x = 14,701.09

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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.