Finding the Fourth Proportional to 62,642, 93,963 and 18,866
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Solution
The fourth proportional to 62,642, 93,963 and 18,866 is: 28,299
Step by Step Solution
- Step 1: Write the proportion equation
62,642 : 93,963 = 18,866 : x - Step 2: Convert to fraction form
62,642/93,963 = 18,866/x - Step 3: Cross multiply
62,642x = 93,963 × 18,866 - Step 4: Simplify right side
62,642x = 1,772,705,958 - Step 5: Solve for x
x = 1,772,705,958/62,642 - Step 6: Final answer
x = 28,299
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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.