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Finding the Fourth Proportional to 30,982.55, 46,473.98 and 7,608.99

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Solution

The fourth proportional to 30,982.55, 46,473.98 and 7,608.99 is: 11,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.55 : 46,473.98 = 7,608.99 : x
  2. Step 2: Convert to fraction form
    30,982.55/46,473.98 = 7,608.99/x
  3. Step 3: Cross multiply
    30,982.55x = 46,473.98 × 7,608.99
  4. Step 4: Simplify right side
    30,982.55x = 353,620,049.08
  5. Step 5: Solve for x
    x = 353,620,049.08/30,982.55
  6. Step 6: Final answer
    x = 11,413.52

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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.