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Finding the Fourth Proportional to 17,897.84, 26,855.97 and 7,375.63

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Solution

The fourth proportional to 17,897.84, 26,855.97 and 7,375.63 is: 11,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.84 : 26,855.97 = 7,375.63 : x
  2. Step 2: Convert to fraction form
    17,897.84/26,855.97 = 7,375.63/x
  3. Step 3: Cross multiply
    17,897.84x = 26,855.97 × 7,375.63
  4. Step 4: Simplify right side
    17,897.84x = 198,079,661.13
  5. Step 5: Solve for x
    x = 198,079,661.13/17,897.84
  6. Step 6: Final answer
    x = 11,067.24

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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.