Finding the Fourth Proportional to 74,853.75, 112,299.12 and 22,263.02
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Solution
The fourth proportional to 74,853.75, 112,299.12 and 22,263.02 is: 33,400.02
Step by Step Solution
- Step 1: Write the proportion equation
74,853.75 : 112,299.12 = 22,263.02 : x - Step 2: Convert to fraction form
74,853.75/112,299.12 = 22,263.02/x - Step 3: Cross multiply
74,853.75x = 112,299.12 × 22,263.02 - Step 4: Simplify right side
74,853.75x = 2,500,116,993.05 - Step 5: Solve for x
x = 2,500,116,993.05/74,853.75 - Step 6: Final answer
x = 33,400.02
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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.