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Finding the Fourth Proportional to 7,179.25, 10,768.90 and 2,249.32

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Solution

The fourth proportional to 7,179.25, 10,768.90 and 2,249.32 is: 3,373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.25 : 10,768.90 = 2,249.32 : x
  2. Step 2: Convert to fraction form
    7,179.25/10,768.90 = 2,249.32/x
  3. Step 3: Cross multiply
    7,179.25x = 10,768.90 × 2,249.32
  4. Step 4: Simplify right side
    7,179.25x = 24,222,702.15
  5. Step 5: Solve for x
    x = 24,222,702.15/7,179.25
  6. Step 6: Final answer
    x = 3,373.99

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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.