Finding the Fourth Proportional to 26,980,591.67, 37,245,375.80 and 17,204,176.79
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Solution
The fourth proportional to 26,980,591.67, 37,245,375.80 and 17,204,176.79 is: 23,749,517.35
Step by Step Solution
- Step 1: Write the proportion equation
26,980,591.67 : 37,245,375.80 = 17,204,176.79 : x - Step 2: Convert to fraction form
26,980,591.67/37,245,375.80 = 17,204,176.79/x - Step 3: Cross multiply
26,980,591.67x = 37,245,375.80 × 17,204,176.79 - Step 4: Simplify right side
26,980,591.67x = 640,776,029,873,187.62 - Step 5: Solve for x
x = 640,776,029,873,187.62/26,980,591.67 - Step 6: Final answer
x = 23,749,517.35
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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.