Finding the Fourth Proportional to 19,159.04, 28,738.52 and 5,308
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Solution
The fourth proportional to 19,159.04, 28,738.52 and 5,308 is: 7,961.99
Step by Step Solution
- Step 1: Write the proportion equation
19,159.04 : 28,738.52 = 5,308 : x - Step 2: Convert to fraction form
19,159.04/28,738.52 = 5,308/x - Step 3: Cross multiply
19,159.04x = 28,738.52 × 5,308 - Step 4: Simplify right side
19,159.04x = 152,544,064.16 - Step 5: Solve for x
x = 152,544,064.16/19,159.04 - Step 6: Final answer
x = 7,961.99
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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.