Finding the Fourth Proportional to 17,078,313.73, 25,601,029.20 and 6,289,729.75
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Solution
The fourth proportional to 17,078,313.73, 25,601,029.20 and 6,289,729.75 is: 9,428,539.46
Step by Step Solution
- Step 1: Write the proportion equation
17,078,313.73 : 25,601,029.20 = 6,289,729.75 : x - Step 2: Convert to fraction form
17,078,313.73/25,601,029.20 = 6,289,729.75/x - Step 3: Cross multiply
17,078,313.73x = 25,601,029.20 × 6,289,729.75 - Step 4: Simplify right side
17,078,313.73x = 161,023,554,989,858.69 - Step 5: Solve for x
x = 161,023,554,989,858.69/17,078,313.73 - Step 6: Final answer
x = 9,428,539.46
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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.