Finding the Fourth Proportional to 74,869.07, 103,282.03 and 44,633.09
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Solution
The fourth proportional to 74,869.07, 103,282.03 and 44,633.09 is: 61,571.43
Step by Step Solution
- Step 1: Write the proportion equation
74,869.07 : 103,282.03 = 44,633.09 : x - Step 2: Convert to fraction form
74,869.07/103,282.03 = 44,633.09/x - Step 3: Cross multiply
74,869.07x = 103,282.03 × 44,633.09 - Step 4: Simplify right side
74,869.07x = 4,609,795,400.80 - Step 5: Solve for x
x = 4,609,795,400.80/74,869.07 - Step 6: Final answer
x = 61,571.43
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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.