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Finding the Fourth Proportional to 2,228.46, 3,343.48 and 995.76

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Solution

The fourth proportional to 2,228.46, 3,343.48 and 995.76 is: 1,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.46 : 3,343.48 = 995.76 : x
  2. Step 2: Convert to fraction form
    2,228.46/3,343.48 = 995.76/x
  3. Step 3: Cross multiply
    2,228.46x = 3,343.48 × 995.76
  4. Step 4: Simplify right side
    2,228.46x = 3,329,303.64
  5. Step 5: Solve for x
    x = 3,329,303.64/2,228.46
  6. Step 6: Final answer
    x = 1,493.99

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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.