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Finding the Fourth Proportional to 2,844.32, 4,266.87 and 995

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Solution

The fourth proportional to 2,844.32, 4,266.87 and 995 is: 1,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.32 : 4,266.87 = 995 : x
  2. Step 2: Convert to fraction form
    2,844.32/4,266.87 = 995/x
  3. Step 3: Cross multiply
    2,844.32x = 4,266.87 × 995
  4. Step 4: Simplify right side
    2,844.32x = 4,245,535.65
  5. Step 5: Solve for x
    x = 4,245,535.65/2,844.32
  6. Step 6: Final answer
    x = 1,492.64

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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.