Finding the Fourth Proportional to 7,382,207.70, 11,073,311.55 and 6,673,619.70
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Solution
The fourth proportional to 7,382,207.70, 11,073,311.55 and 6,673,619.70 is: 10,010,429.55
Step by Step Solution
- Step 1: Write the proportion equation
7,382,207.70 : 11,073,311.55 = 6,673,619.70 : x - Step 2: Convert to fraction form
7,382,207.70/11,073,311.55 = 6,673,619.70/x - Step 3: Cross multiply
7,382,207.70x = 11,073,311.55 × 6,673,619.70 - Step 4: Simplify right side
7,382,207.70x = 73,899,070,104,317.55 - Step 5: Solve for x
x = 73,899,070,104,317.55/7,382,207.70 - Step 6: Final answer
x = 10,010,429.55
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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.