Finding the Fourth Proportional to 73,920.94, 110,925.16 and 27,206.62
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Solution
The fourth proportional to 73,920.94, 110,925.16 and 27,206.62 is: 40,826.03
Step by Step Solution
- Step 1: Write the proportion equation
73,920.94 : 110,925.16 = 27,206.62 : x - Step 2: Convert to fraction form
73,920.94/110,925.16 = 27,206.62/x - Step 3: Cross multiply
73,920.94x = 110,925.16 × 27,206.62 - Step 4: Simplify right side
73,920.94x = 3,017,898,676.56 - Step 5: Solve for x
x = 3,017,898,676.56/73,920.94 - Step 6: Final answer
x = 40,826.03
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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.