Finding the Fourth Proportional to 7,586,042.48, 11,351,069.92 and 4,555,254.08
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Solution
The fourth proportional to 7,586,042.48, 11,351,069.92 and 4,555,254.08 is: 6,816,071.45
Step by Step Solution
- Step 1: Write the proportion equation
7,586,042.48 : 11,351,069.92 = 4,555,254.08 : x - Step 2: Convert to fraction form
7,586,042.48/11,351,069.92 = 4,555,254.08/x - Step 3: Cross multiply
7,586,042.48x = 11,351,069.92 × 4,555,254.08 - Step 4: Simplify right side
7,586,042.48x = 51,707,007,565,445.27 - Step 5: Solve for x
x = 51,707,007,565,445.27/7,586,042.48 - Step 6: Final answer
x = 6,816,071.45
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1.5x scale
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.