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Finding the Fourth Proportional to 5,449.51, 7,520.22 and 3,059.54

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Solution

The fourth proportional to 5,449.51, 7,520.22 and 3,059.54 is: 4,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.51 : 7,520.22 = 3,059.54 : x
  2. Step 2: Convert to fraction form
    5,449.51/7,520.22 = 3,059.54/x
  3. Step 3: Cross multiply
    5,449.51x = 7,520.22 × 3,059.54
  4. Step 4: Simplify right side
    5,449.51x = 23,008,413.90
  5. Step 5: Solve for x
    x = 23,008,413.90/5,449.51
  6. Step 6: Final answer
    x = 4,222.11

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1.5x scale

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.