Finding the Fourth Proportional to 75,448.24, 113,163.51 and 25,528.18
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Solution
The fourth proportional to 75,448.24, 113,163.51 and 25,528.18 is: 38,289.28
Step by Step Solution
- Step 1: Write the proportion equation
75,448.24 : 113,163.51 = 25,528.18 : x - Step 2: Convert to fraction form
75,448.24/113,163.51 = 25,528.18/x - Step 3: Cross multiply
75,448.24x = 113,163.51 × 25,528.18 - Step 4: Simplify right side
75,448.24x = 2,888,858,735.62 - Step 5: Solve for x
x = 2,888,858,735.62/75,448.24 - Step 6: Final answer
x = 38,289.28
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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.