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Finding the Fourth Proportional to 18,264.99, 27,413.01 and 7,179.42

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Solution

The fourth proportional to 18,264.99, 27,413.01 and 7,179.42 is: 10,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.99 : 27,413.01 = 7,179.42 : x
  2. Step 2: Convert to fraction form
    18,264.99/27,413.01 = 7,179.42/x
  3. Step 3: Cross multiply
    18,264.99x = 27,413.01 × 7,179.42
  4. Step 4: Simplify right side
    18,264.99x = 196,809,512.25
  5. Step 5: Solve for x
    x = 196,809,512.25/18,264.99
  6. Step 6: Final answer
    x = 10,775.23

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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.