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Finding the Fourth Proportional to 61,198.28, 91,797.42 and 19,674.44

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Solution

The fourth proportional to 61,198.28, 91,797.42 and 19,674.44 is: 29,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,198.28 : 91,797.42 = 19,674.44 : x
  2. Step 2: Convert to fraction form
    61,198.28/91,797.42 = 19,674.44/x
  3. Step 3: Cross multiply
    61,198.28x = 91,797.42 × 19,674.44
  4. Step 4: Simplify right side
    61,198.28x = 1,806,062,831.94
  5. Step 5: Solve for x
    x = 1,806,062,831.94/61,198.28
  6. Step 6: Final answer
    x = 29,511.66

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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.