Finding the Fourth Proportional to 75,798.36, 113,678.08 and 22,477.82
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Solution
The fourth proportional to 75,798.36, 113,678.08 and 22,477.82 is: 33,710.95
Step by Step Solution
- Step 1: Write the proportion equation
75,798.36 : 113,678.08 = 22,477.82 : x - Step 2: Convert to fraction form
75,798.36/113,678.08 = 22,477.82/x - Step 3: Cross multiply
75,798.36x = 113,678.08 × 22,477.82 - Step 4: Simplify right side
75,798.36x = 2,555,234,795.60 - Step 5: Solve for x
x = 2,555,234,795.60/75,798.36 - Step 6: Final answer
x = 33,710.95
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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.