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Finding the Fourth Proportional to 2,227.95, 3,342.96 and 995.23

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Solution

The fourth proportional to 2,227.95, 3,342.96 and 995.23 is: 1,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.95 : 3,342.96 = 995.23 : x
  2. Step 2: Convert to fraction form
    2,227.95/3,342.96 = 995.23/x
  3. Step 3: Cross multiply
    2,227.95x = 3,342.96 × 995.23
  4. Step 4: Simplify right side
    2,227.95x = 3,327,014.08
  5. Step 5: Solve for x
    x = 3,327,014.08/2,227.95
  6. Step 6: Final answer
    x = 1,493.31

Related Problems

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Double scale
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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.