Finding the Fourth Proportional to 33,106, 45,686.28 and 21,928
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Solution
The fourth proportional to 33,106, 45,686.28 and 21,928 is: 30,260.64
Step by Step Solution
- Step 1: Write the proportion equation
33,106 : 45,686.28 = 21,928 : x - Step 2: Convert to fraction form
33,106/45,686.28 = 21,928/x - Step 3: Cross multiply
33,106x = 45,686.28 × 21,928 - Step 4: Simplify right side
33,106x = 1,001,808,747.84 - Step 5: Solve for x
x = 1,001,808,747.84/33,106 - Step 6: Final answer
x = 30,260.64
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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.