Finding the Fourth Proportional to 6,910,364.70, 10,365,547.05 and 3,551,132.70
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Solution
The fourth proportional to 6,910,364.70, 10,365,547.05 and 3,551,132.70 is: 5,326,699.05
Step by Step Solution
- Step 1: Write the proportion equation
6,910,364.70 : 10,365,547.05 = 3,551,132.70 : x - Step 2: Convert to fraction form
6,910,364.70/10,365,547.05 = 3,551,132.70/x - Step 3: Cross multiply
6,910,364.70x = 10,365,547.05 × 3,551,132.70 - Step 4: Simplify right side
6,910,364.70x = 36,809,433,082,643.54 - Step 5: Solve for x
x = 36,809,433,082,643.54/6,910,364.70 - Step 6: Final answer
x = 5,326,699.05
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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.