Finding the Fourth Proportional to 8,805,800.70, 13,208,701.05 and 7,609,074.30
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Solution
The fourth proportional to 8,805,800.70, 13,208,701.05 and 7,609,074.30 is: 11,413,611.45
Step by Step Solution
- Step 1: Write the proportion equation
8,805,800.70 : 13,208,701.05 = 7,609,074.30 : x - Step 2: Convert to fraction form
8,805,800.70/13,208,701.05 = 7,609,074.30/x - Step 3: Cross multiply
8,805,800.70x = 13,208,701.05 × 7,609,074.30 - Step 4: Simplify right side
8,805,800.70x = 100,505,987,695,938.02 - Step 5: Solve for x
x = 100,505,987,695,938.02/8,805,800.70 - Step 6: Final answer
x = 11,413,611.45
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Double scale
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Similar ratio
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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.