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Finding the Fourth Proportional to 25,672.44, 38,498.67 and 7,897.80

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Solution

The fourth proportional to 25,672.44, 38,498.67 and 7,897.80 is: 11,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.44 : 38,498.67 = 7,897.80 : x
  2. Step 2: Convert to fraction form
    25,672.44/38,498.67 = 7,897.80/x
  3. Step 3: Cross multiply
    25,672.44x = 38,498.67 × 7,897.80
  4. Step 4: Simplify right side
    25,672.44x = 304,054,795.93
  5. Step 5: Solve for x
    x = 304,054,795.93/25,672.44
  6. Step 6: Final answer
    x = 11,843.63

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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.