Finding the Fourth Proportional to 20,222, 30,333 and 5,630
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Solution
The fourth proportional to 20,222, 30,333 and 5,630 is: 8,445
Step by Step Solution
- Step 1: Write the proportion equation
20,222 : 30,333 = 5,630 : x - Step 2: Convert to fraction form
20,222/30,333 = 5,630/x - Step 3: Cross multiply
20,222x = 30,333 × 5,630 - Step 4: Simplify right side
20,222x = 170,774,790 - Step 5: Solve for x
x = 170,774,790/20,222 - Step 6: Final answer
x = 8,445
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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.