Finding the Fourth Proportional to 7,589,424.18, 10,473,419.14 and 4,151,665.21
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Solution
The fourth proportional to 7,589,424.18, 10,473,419.14 and 4,151,665.21 is: 5,729,305.52
Step by Step Solution
- Step 1: Write the proportion equation
7,589,424.18 : 10,473,419.14 = 4,151,665.21 : x - Step 2: Convert to fraction form
7,589,424.18/10,473,419.14 = 4,151,665.21/x - Step 3: Cross multiply
7,589,424.18x = 10,473,419.14 × 4,151,665.21 - Step 4: Simplify right side
7,589,424.18x = 43,482,129,820,919.02 - Step 5: Solve for x
x = 43,482,129,820,919.02/7,589,424.18 - Step 6: Final answer
x = 5,729,305.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.