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Finding the Fourth Proportional to 2,413.99, 3,620.99 and 1,553.77

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Solution

The fourth proportional to 2,413.99, 3,620.99 and 1,553.77 is: 2,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.99 : 3,620.99 = 1,553.77 : x
  2. Step 2: Convert to fraction form
    2,413.99/3,620.99 = 1,553.77/x
  3. Step 3: Cross multiply
    2,413.99x = 3,620.99 × 1,553.77
  4. Step 4: Simplify right side
    2,413.99x = 5,626,185.63
  5. Step 5: Solve for x
    x = 5,626,185.63/2,413.99
  6. Step 6: Final answer
    x = 2,330.66

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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.