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Finding the Fourth Proportional to 11,873.72, 17,804.78 and 6,944.60

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Solution

The fourth proportional to 11,873.72, 17,804.78 and 6,944.60 is: 10,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.72 : 17,804.78 = 6,944.60 : x
  2. Step 2: Convert to fraction form
    11,873.72/17,804.78 = 6,944.60/x
  3. Step 3: Cross multiply
    11,873.72x = 17,804.78 × 6,944.60
  4. Step 4: Simplify right side
    11,873.72x = 123,647,075.19
  5. Step 5: Solve for x
    x = 123,647,075.19/11,873.72
  6. Step 6: Final answer
    x = 10,413.51

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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.