Finding the Fourth Proportional to 65,682, 90,641.52 and 35,874
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Solution
The fourth proportional to 65,682, 90,641.52 and 35,874 is: 49,506.32
Step by Step Solution
- Step 1: Write the proportion equation
65,682 : 90,641.52 = 35,874 : x - Step 2: Convert to fraction form
65,682/90,641.52 = 35,874/x - Step 3: Cross multiply
65,682x = 90,641.52 × 35,874 - Step 4: Simplify right side
65,682x = 3,251,673,888.48 - Step 5: Solve for x
x = 3,251,673,888.48/65,682 - Step 6: Final answer
x = 49,506.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.