Finding the Fourth Proportional to 33,001,519.99, 45,538,403.84 and 18,317,805.25
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Solution
The fourth proportional to 33,001,519.99, 45,538,403.84 and 18,317,805.25 is: 25,276,520.99
Step by Step Solution
- Step 1: Write the proportion equation
33,001,519.99 : 45,538,403.84 = 18,317,805.25 : x - Step 2: Convert to fraction form
33,001,519.99/45,538,403.84 = 18,317,805.25/x - Step 3: Cross multiply
33,001,519.99x = 45,538,403.84 × 18,317,805.25 - Step 4: Simplify right side
33,001,519.99x = 834,163,612,845,383.12 - Step 5: Solve for x
x = 834,163,612,845,383.12/33,001,519.99 - Step 6: Final answer
x = 25,276,520.99
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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.