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Finding the Fourth Proportional to 4,728.54, 7,092.82 and 1,608.88

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Solution

The fourth proportional to 4,728.54, 7,092.82 and 1,608.88 is: 2,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.54 : 7,092.82 = 1,608.88 : x
  2. Step 2: Convert to fraction form
    4,728.54/7,092.82 = 1,608.88/x
  3. Step 3: Cross multiply
    4,728.54x = 7,092.82 × 1,608.88
  4. Step 4: Simplify right side
    4,728.54x = 11,411,496.24
  5. Step 5: Solve for x
    x = 11,411,496.24/4,728.54
  6. Step 6: Final answer
    x = 2,413.32

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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.