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Finding the Fourth Proportional to 4,949.43, 7,413.34 and 2,479.94

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Solution

The fourth proportional to 4,949.43, 7,413.34 and 2,479.94 is: 3,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.43 : 7,413.34 = 2,479.94 : x
  2. Step 2: Convert to fraction form
    4,949.43/7,413.34 = 2,479.94/x
  3. Step 3: Cross multiply
    4,949.43x = 7,413.34 × 2,479.94
  4. Step 4: Simplify right side
    4,949.43x = 18,384,638.40
  5. Step 5: Solve for x
    x = 18,384,638.40/4,949.43
  6. Step 6: Final answer
    x = 3,714.50

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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.