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Finding the Fourth Proportional to 16,957.44, 25,413.12 and 8,755.20

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Solution

The fourth proportional to 16,957.44, 25,413.12 and 8,755.20 is: 13,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.44 : 25,413.12 = 8,755.20 : x
  2. Step 2: Convert to fraction form
    16,957.44/25,413.12 = 8,755.20/x
  3. Step 3: Cross multiply
    16,957.44x = 25,413.12 × 8,755.20
  4. Step 4: Simplify right side
    16,957.44x = 222,496,948.22
  5. Step 5: Solve for x
    x = 222,496,948.22/16,957.44
  6. Step 6: Final answer
    x = 13,120.90

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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.