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Finding the Fourth Proportional to 17,067.80, 25,601.70 and 16,849.10

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Solution

The fourth proportional to 17,067.80, 25,601.70 and 16,849.10 is: 25,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,067.80 : 25,601.70 = 16,849.10 : x
  2. Step 2: Convert to fraction form
    17,067.80/25,601.70 = 16,849.10/x
  3. Step 3: Cross multiply
    17,067.80x = 25,601.70 × 16,849.10
  4. Step 4: Simplify right side
    17,067.80x = 431,365,603.47
  5. Step 5: Solve for x
    x = 431,365,603.47/17,067.80
  6. Step 6: Final answer
    x = 25,273.65

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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.