Finding the Fourth Proportional to 74,440.74, 111,595.50 and 27,660.81
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Solution
The fourth proportional to 74,440.74, 111,595.50 and 27,660.81 is: 41,466.84
Step by Step Solution
- Step 1: Write the proportion equation
74,440.74 : 111,595.50 = 27,660.81 : x - Step 2: Convert to fraction form
74,440.74/111,595.50 = 27,660.81/x - Step 3: Cross multiply
74,440.74x = 111,595.50 × 27,660.81 - Step 4: Simplify right side
74,440.74x = 3,086,821,922.36 - Step 5: Solve for x
x = 3,086,821,922.36/74,440.74 - Step 6: Final answer
x = 41,466.84
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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.