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Finding the Fourth Proportional to 3,612.52, 5,413.02 and 2,074.60

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Solution

The fourth proportional to 3,612.52, 5,413.02 and 2,074.60 is: 3,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.52 : 5,413.02 = 2,074.60 : x
  2. Step 2: Convert to fraction form
    3,612.52/5,413.02 = 2,074.60/x
  3. Step 3: Cross multiply
    3,612.52x = 5,413.02 × 2,074.60
  4. Step 4: Simplify right side
    3,612.52x = 11,229,851.29
  5. Step 5: Solve for x
    x = 11,229,851.29/3,612.52
  6. Step 6: Final answer
    x = 3,108.59

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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.