Finding the Fourth Proportional to 7,338,954.05, 11,008,431.08 and 5,099,466.05
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Solution
The fourth proportional to 7,338,954.05, 11,008,431.08 and 5,099,466.05 is: 7,649,199.08
Step by Step Solution
- Step 1: Write the proportion equation
7,338,954.05 : 11,008,431.08 = 5,099,466.05 : x - Step 2: Convert to fraction form
7,338,954.05/11,008,431.08 = 5,099,466.05/x - Step 3: Cross multiply
7,338,954.05x = 11,008,431.08 × 5,099,466.05 - Step 4: Simplify right side
7,338,954.05x = 56,137,120,530,727.50 - Step 5: Solve for x
x = 56,137,120,530,727.50/7,338,954.05 - Step 6: Final answer
x = 7,649,199.08
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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.