Finding the Fourth Proportional to 74,473.29, 111,674.84 and 27,054.94
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Solution
The fourth proportional to 74,473.29, 111,674.84 and 27,054.94 is: 40,569.66
Step by Step Solution
- Step 1: Write the proportion equation
74,473.29 : 111,674.84 = 27,054.94 : x - Step 2: Convert to fraction form
74,473.29/111,674.84 = 27,054.94/x - Step 3: Cross multiply
74,473.29x = 111,674.84 × 27,054.94 - Step 4: Simplify right side
74,473.29x = 3,021,356,095.71 - Step 5: Solve for x
x = 3,021,356,095.71/74,473.29 - Step 6: Final answer
x = 40,569.66
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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.