Finding the Fourth Proportional to 74,444.94, 102,722.45 and 44,229.49
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Solution
The fourth proportional to 74,444.94, 102,722.45 and 44,229.49 is: 61,029.82
Step by Step Solution
- Step 1: Write the proportion equation
74,444.94 : 102,722.45 = 44,229.49 : x - Step 2: Convert to fraction form
74,444.94/102,722.45 = 44,229.49/x - Step 3: Cross multiply
74,444.94x = 102,722.45 × 44,229.49 - Step 4: Simplify right side
74,444.94x = 4,543,361,097.10 - Step 5: Solve for x
x = 4,543,361,097.10/74,444.94 - Step 6: Final answer
x = 61,029.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.