Finding the Fourth Proportional to 42,001,427.20, 62,876,169.60 and 24,953,324.80
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Solution
The fourth proportional to 42,001,427.20, 62,876,169.60 and 24,953,324.80 is: 37,355,146.88
Step by Step Solution
- Step 1: Write the proportion equation
42,001,427.20 : 62,876,169.60 = 24,953,324.80 : x - Step 2: Convert to fraction form
42,001,427.20/62,876,169.60 = 24,953,324.80/x - Step 3: Cross multiply
42,001,427.20x = 62,876,169.60 × 24,953,324.80 - Step 4: Simplify right side
42,001,427.20x = 1,568,969,482,208,686.25 - Step 5: Solve for x
x = 1,568,969,482,208,686.25/42,001,427.20 - Step 6: Final answer
x = 37,355,146.88
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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.