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Finding the Fourth Proportional to 11,798.50, 17,611.29 and 10,249.37

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Solution

The fourth proportional to 11,798.50, 17,611.29 and 10,249.37 is: 15,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.50 : 17,611.29 = 10,249.37 : x
  2. Step 2: Convert to fraction form
    11,798.50/17,611.29 = 10,249.37/x
  3. Step 3: Cross multiply
    11,798.50x = 17,611.29 × 10,249.37
  4. Step 4: Simplify right side
    11,798.50x = 180,504,627.39
  5. Step 5: Solve for x
    x = 180,504,627.39/11,798.50
  6. Step 6: Final answer
    x = 15,298.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.