Finding the Fourth Proportional to 74,586.24, 111,895.80 and 32,473.08
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Solution
The fourth proportional to 74,586.24, 111,895.80 and 32,473.08 is: 48,716.78
Step by Step Solution
- Step 1: Write the proportion equation
74,586.24 : 111,895.80 = 32,473.08 : x - Step 2: Convert to fraction form
74,586.24/111,895.80 = 32,473.08/x - Step 3: Cross multiply
74,586.24x = 111,895.80 × 32,473.08 - Step 4: Simplify right side
74,586.24x = 3,633,601,265.06 - Step 5: Solve for x
x = 3,633,601,265.06/74,586.24 - Step 6: Final answer
x = 48,716.78
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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.