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Finding the Fourth Proportional to 2,474.68, 3,413.90 and 1,479.46

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Solution

The fourth proportional to 2,474.68, 3,413.90 and 1,479.46 is: 2,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.68 : 3,413.90 = 1,479.46 : x
  2. Step 2: Convert to fraction form
    2,474.68/3,413.90 = 1,479.46/x
  3. Step 3: Cross multiply
    2,474.68x = 3,413.90 × 1,479.46
  4. Step 4: Simplify right side
    2,474.68x = 5,050,728.49
  5. Step 5: Solve for x
    x = 5,050,728.49/2,474.68
  6. Step 6: Final answer
    x = 2,040.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.