Finding the Fourth Proportional to 74,928.74, 112,377.86 and 27,527.54
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Solution
The fourth proportional to 74,928.74, 112,377.86 and 27,527.54 is: 41,285.71
Step by Step Solution
- Step 1: Write the proportion equation
74,928.74 : 112,377.86 = 27,527.54 : x - Step 2: Convert to fraction form
74,928.74/112,377.86 = 27,527.54/x - Step 3: Cross multiply
74,928.74x = 112,377.86 × 27,527.54 - Step 4: Simplify right side
74,928.74x = 3,093,486,036.26 - Step 5: Solve for x
x = 3,093,486,036.26/74,928.74 - Step 6: Final answer
x = 41,285.71
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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.