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Finding the Fourth Proportional to 2,228.33, 3,342.50 and 995.47

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Solution

The fourth proportional to 2,228.33, 3,342.50 and 995.47 is: 1,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.33 : 3,342.50 = 995.47 : x
  2. Step 2: Convert to fraction form
    2,228.33/3,342.50 = 995.47/x
  3. Step 3: Cross multiply
    2,228.33x = 3,342.50 × 995.47
  4. Step 4: Simplify right side
    2,228.33x = 3,327,358.48
  5. Step 5: Solve for x
    x = 3,327,358.48/2,228.33
  6. Step 6: Final answer
    x = 1,493.21

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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.