Finding the Fourth Proportional to 74,199.97, 111,306.83 and 26,826.91
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Solution
The fourth proportional to 74,199.97, 111,306.83 and 26,826.91 is: 40,242.84
Step by Step Solution
- Step 1: Write the proportion equation
74,199.97 : 111,306.83 = 26,826.91 : x - Step 2: Convert to fraction form
74,199.97/111,306.83 = 26,826.91/x - Step 3: Cross multiply
74,199.97x = 111,306.83 × 26,826.91 - Step 4: Simplify right side
74,199.97x = 2,986,017,620.13 - Step 5: Solve for x
x = 2,986,017,620.13/74,199.97 - Step 6: Final answer
x = 40,242.84
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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.