Finding the Fourth Proportional to 75,829.64, 113,744.36 and 33,699.92
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Solution
The fourth proportional to 75,829.64, 113,744.36 and 33,699.92 is: 50,549.83
Step by Step Solution
- Step 1: Write the proportion equation
75,829.64 : 113,744.36 = 33,699.92 : x - Step 2: Convert to fraction form
75,829.64/113,744.36 = 33,699.92/x - Step 3: Cross multiply
75,829.64x = 113,744.36 × 33,699.92 - Step 4: Simplify right side
75,829.64x = 3,833,175,347.98 - Step 5: Solve for x
x = 3,833,175,347.98/75,829.64 - Step 6: Final answer
x = 50,549.83
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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.