Finding the Fourth Proportional to 49,578.24, 68,417.12 and 27,222.08
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Solution
The fourth proportional to 49,578.24, 68,417.12 and 27,222.08 is: 37,566.00
Step by Step Solution
- Step 1: Write the proportion equation
49,578.24 : 68,417.12 = 27,222.08 : x - Step 2: Convert to fraction form
49,578.24/68,417.12 = 27,222.08/x - Step 3: Cross multiply
49,578.24x = 68,417.12 × 27,222.08 - Step 4: Simplify right side
49,578.24x = 1,862,456,314.01 - Step 5: Solve for x
x = 1,862,456,314.01/49,578.24 - Step 6: Final answer
x = 37,566.00
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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.