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Finding the Fourth Proportional to 2,734.95, 4,103.10 and 886.26

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Solution

The fourth proportional to 2,734.95, 4,103.10 and 886.26 is: 1,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.95 : 4,103.10 = 886.26 : x
  2. Step 2: Convert to fraction form
    2,734.95/4,103.10 = 886.26/x
  3. Step 3: Cross multiply
    2,734.95x = 4,103.10 × 886.26
  4. Step 4: Simplify right side
    2,734.95x = 3,636,413.41
  5. Step 5: Solve for x
    x = 3,636,413.41/2,734.95
  6. Step 6: Final answer
    x = 1,329.61

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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.