Finding the Fourth Proportional to 43,293.12, 64,948.50 and 16,638
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Solution
The fourth proportional to 43,293.12, 64,948.50 and 16,638 is: 24,960.39
Step by Step Solution
- Step 1: Write the proportion equation
43,293.12 : 64,948.50 = 16,638 : x - Step 2: Convert to fraction form
43,293.12/64,948.50 = 16,638/x - Step 3: Cross multiply
43,293.12x = 64,948.50 × 16,638 - Step 4: Simplify right side
43,293.12x = 1,080,613,143 - Step 5: Solve for x
x = 1,080,613,143/43,293.12 - Step 6: Final answer
x = 24,960.39
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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.