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Finding the Fourth Proportional to 3,048.26, 4,572.40 and 996.26

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Solution

The fourth proportional to 3,048.26, 4,572.40 and 996.26 is: 1,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.26 : 4,572.40 = 996.26 : x
  2. Step 2: Convert to fraction form
    3,048.26/4,572.40 = 996.26/x
  3. Step 3: Cross multiply
    3,048.26x = 4,572.40 × 996.26
  4. Step 4: Simplify right side
    3,048.26x = 4,555,299.22
  5. Step 5: Solve for x
    x = 4,555,299.22/3,048.26
  6. Step 6: Final answer
    x = 1,494.39

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Double scale
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Similar ratio
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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.