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Finding the Fourth Proportional to 2,555.44, 3,832.60 and 995.48

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Solution

The fourth proportional to 2,555.44, 3,832.60 and 995.48 is: 1,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.44 : 3,832.60 = 995.48 : x
  2. Step 2: Convert to fraction form
    2,555.44/3,832.60 = 995.48/x
  3. Step 3: Cross multiply
    2,555.44x = 3,832.60 × 995.48
  4. Step 4: Simplify right side
    2,555.44x = 3,815,276.65
  5. Step 5: Solve for x
    x = 3,815,276.65/2,555.44
  6. Step 6: Final answer
    x = 1,493.00

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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.