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Finding the Fourth Proportional to 25,949.88, 38,924.82 and 7,229.16

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Solution

The fourth proportional to 25,949.88, 38,924.82 and 7,229.16 is: 10,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.88 : 38,924.82 = 7,229.16 : x
  2. Step 2: Convert to fraction form
    25,949.88/38,924.82 = 7,229.16/x
  3. Step 3: Cross multiply
    25,949.88x = 38,924.82 × 7,229.16
  4. Step 4: Simplify right side
    25,949.88x = 281,393,751.75
  5. Step 5: Solve for x
    x = 281,393,751.75/25,949.88
  6. Step 6: Final answer
    x = 10,843.74

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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.