Finding the Fourth Proportional to 7,574,296.56, 11,361,678.12 and 3,312,270.96
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Solution
The fourth proportional to 7,574,296.56, 11,361,678.12 and 3,312,270.96 is: 4,968,508.45
Step by Step Solution
- Step 1: Write the proportion equation
7,574,296.56 : 11,361,678.12 = 3,312,270.96 : x - Step 2: Convert to fraction form
7,574,296.56/11,361,678.12 = 3,312,270.96/x - Step 3: Cross multiply
7,574,296.56x = 11,361,678.12 × 3,312,270.96 - Step 4: Simplify right side
7,574,296.56x = 37,632,956,493,743.39 - Step 5: Solve for x
x = 37,632,956,493,743.39/7,574,296.56 - Step 6: Final answer
x = 4,968,508.45
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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.