Finding the Fourth Proportional to 27,643,153.53, 38,161,362.50 and 17,192,538.49
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Solution
The fourth proportional to 27,643,153.53, 38,161,362.50 and 17,192,538.49 is: 23,734,292.58
Step by Step Solution
- Step 1: Write the proportion equation
27,643,153.53 : 38,161,362.50 = 17,192,538.49 : x - Step 2: Convert to fraction form
27,643,153.53/38,161,362.50 = 17,192,538.49/x - Step 3: Cross multiply
27,643,153.53x = 38,161,362.50 × 17,192,538.49 - Step 4: Simplify right side
27,643,153.53x = 656,090,693,612,092.50 - Step 5: Solve for x
x = 656,090,693,612,092.50/27,643,153.53 - Step 6: Final answer
x = 23,734,292.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.