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Finding the Fourth Proportional to 3,606.05, 5,413.12 and 2,794.11

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Solution

The fourth proportional to 3,606.05, 5,413.12 and 2,794.11 is: 4,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.05 : 5,413.12 = 2,794.11 : x
  2. Step 2: Convert to fraction form
    3,606.05/5,413.12 = 2,794.11/x
  3. Step 3: Cross multiply
    3,606.05x = 5,413.12 × 2,794.11
  4. Step 4: Simplify right side
    3,606.05x = 15,124,852.72
  5. Step 5: Solve for x
    x = 15,124,852.72/3,606.05
  6. Step 6: Final answer
    x = 4,194.30

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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.