Finding the Fourth Proportional to 118,399.52, 177,599.39 and 33,006.99
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Solution
The fourth proportional to 118,399.52, 177,599.39 and 33,006.99 is: 49,510.52
Step by Step Solution
- Step 1: Write the proportion equation
118,399.52 : 177,599.39 = 33,006.99 : x - Step 2: Convert to fraction form
118,399.52/177,599.39 = 33,006.99/x - Step 3: Cross multiply
118,399.52x = 177,599.39 × 33,006.99 - Step 4: Simplify right side
118,399.52x = 5,862,021,790.70 - Step 5: Solve for x
x = 5,862,021,790.70/118,399.52 - Step 6: Final answer
x = 49,510.52
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1.5x scale
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.