Finding the Fourth Proportional to 5,453,926.08, 7,540,022.88 and 4,093,437.12
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Solution
The fourth proportional to 5,453,926.08, 7,540,022.88 and 4,093,437.12 is: 5,659,154.36
Step by Step Solution
- Step 1: Write the proportion equation
5,453,926.08 : 7,540,022.88 = 4,093,437.12 : x - Step 2: Convert to fraction form
5,453,926.08/7,540,022.88 = 4,093,437.12/x - Step 3: Cross multiply
5,453,926.08x = 7,540,022.88 × 4,093,437.12 - Step 4: Simplify right side
5,453,926.08x = 30,864,609,542,641.30 - Step 5: Solve for x
x = 30,864,609,542,641.30/5,453,926.08 - Step 6: Final answer
x = 5,659,154.36
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1.5x scale
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.