Finding the Fourth Proportional to 74,357.84, 102,629.64 and 44,567.12
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Solution
The fourth proportional to 74,357.84, 102,629.64 and 44,567.12 is: 61,512.11
Step by Step Solution
- Step 1: Write the proportion equation
74,357.84 : 102,629.64 = 44,567.12 : x - Step 2: Convert to fraction form
74,357.84/102,629.64 = 44,567.12/x - Step 3: Cross multiply
74,357.84x = 102,629.64 × 44,567.12 - Step 4: Simplify right side
74,357.84x = 4,573,907,481.44 - Step 5: Solve for x
x = 4,573,907,481.44/74,357.84 - Step 6: Final answer
x = 61,512.11
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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.