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Finding the Fourth Proportional to 25,902.68, 38,844.25 and 8,367.80

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Solution

The fourth proportional to 25,902.68, 38,844.25 and 8,367.80 is: 12,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902.68 : 38,844.25 = 8,367.80 : x
  2. Step 2: Convert to fraction form
    25,902.68/38,844.25 = 8,367.80/x
  3. Step 3: Cross multiply
    25,902.68x = 38,844.25 × 8,367.80
  4. Step 4: Simplify right side
    25,902.68x = 325,040,700.01
  5. Step 5: Solve for x
    x = 325,040,700.01/25,902.68
  6. Step 6: Final answer
    x = 12,548.54

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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.