Finding the Fourth Proportional to 73,701.28, 110,517.36 and 26,921.44
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Solution
The fourth proportional to 73,701.28, 110,517.36 and 26,921.44 is: 40,369.54
Step by Step Solution
- Step 1: Write the proportion equation
73,701.28 : 110,517.36 = 26,921.44 : x - Step 2: Convert to fraction form
73,701.28/110,517.36 = 26,921.44/x - Step 3: Cross multiply
73,701.28x = 110,517.36 × 26,921.44 - Step 4: Simplify right side
73,701.28x = 2,975,286,476.20 - Step 5: Solve for x
x = 2,975,286,476.20/73,701.28 - Step 6: Final answer
x = 40,369.54
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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.