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Finding the Fourth Proportional to 24,485.91, 36,729.73 and 7,843.78

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Solution

The fourth proportional to 24,485.91, 36,729.73 and 7,843.78 is: 11,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,485.91 : 36,729.73 = 7,843.78 : x
  2. Step 2: Convert to fraction form
    24,485.91/36,729.73 = 7,843.78/x
  3. Step 3: Cross multiply
    24,485.91x = 36,729.73 × 7,843.78
  4. Step 4: Simplify right side
    24,485.91x = 288,099,921.58
  5. Step 5: Solve for x
    x = 288,099,921.58/24,485.91
  6. Step 6: Final answer
    x = 11,765.95

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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.