Finding the Fourth Proportional to 75,744.18, 113,616.07 and 22,440.33
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Solution
The fourth proportional to 75,744.18, 113,616.07 and 22,440.33 is: 33,660.43
Step by Step Solution
- Step 1: Write the proportion equation
75,744.18 : 113,616.07 = 22,440.33 : x - Step 2: Convert to fraction form
75,744.18/113,616.07 = 22,440.33/x - Step 3: Cross multiply
75,744.18x = 113,616.07 × 22,440.33 - Step 4: Simplify right side
75,744.18x = 2,549,582,030.24 - Step 5: Solve for x
x = 2,549,582,030.24/75,744.18 - Step 6: Final answer
x = 33,660.43
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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.