Finding the Fourth Proportional to 75,482.66, 113,223.99 and 33,881.06
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Solution
The fourth proportional to 75,482.66, 113,223.99 and 33,881.06 is: 50,821.59
Step by Step Solution
- Step 1: Write the proportion equation
75,482.66 : 113,223.99 = 33,881.06 : x - Step 2: Convert to fraction form
75,482.66/113,223.99 = 33,881.06/x - Step 3: Cross multiply
75,482.66x = 113,223.99 × 33,881.06 - Step 4: Simplify right side
75,482.66x = 3,836,148,798.63 - Step 5: Solve for x
x = 3,836,148,798.63/75,482.66 - Step 6: Final answer
x = 50,821.59
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Similar ratio
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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.