Finding the Fourth Proportional to 7,445,005.26, 11,169,303.21 and 2,586,604.63
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Solution
The fourth proportional to 7,445,005.26, 11,169,303.21 and 2,586,604.63 is: 3,880,530.69
Step by Step Solution
- Step 1: Write the proportion equation
7,445,005.26 : 11,169,303.21 = 2,586,604.63 : x - Step 2: Convert to fraction form
7,445,005.26/11,169,303.21 = 2,586,604.63/x - Step 3: Cross multiply
7,445,005.26x = 11,169,303.21 × 2,586,604.63 - Step 4: Simplify right side
7,445,005.26x = 28,890,571,396,859.86 - Step 5: Solve for x
x = 28,890,571,396,859.86/7,445,005.26 - Step 6: Final answer
x = 3,880,530.69
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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.