Finding the Fourth Proportional to 7,255,619.99, 10,825,302.41 and 5,789,839.28
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Solution
The fourth proportional to 7,255,619.99, 10,825,302.41 and 5,789,839.28 is: 8,638,374.28
Step by Step Solution
- Step 1: Write the proportion equation
7,255,619.99 : 10,825,302.41 = 5,789,839.28 : x - Step 2: Convert to fraction form
7,255,619.99/10,825,302.41 = 5,789,839.28/x - Step 3: Cross multiply
7,255,619.99x = 10,825,302.41 × 5,789,839.28 - Step 4: Simplify right side
7,255,619.99x = 62,676,761,117,661.77 - Step 5: Solve for x
x = 62,676,761,117,661.77/7,255,619.99 - Step 6: Final answer
x = 8,638,374.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.