Finding the Fourth Proportional to 46,115.06, 69,117.86 and 19,764.14
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Solution
The fourth proportional to 46,115.06, 69,117.86 and 19,764.14 is: 29,622.75
Step by Step Solution
- Step 1: Write the proportion equation
46,115.06 : 69,117.86 = 19,764.14 : x - Step 2: Convert to fraction form
46,115.06/69,117.86 = 19,764.14/x - Step 3: Cross multiply
46,115.06x = 69,117.86 × 19,764.14 - Step 4: Simplify right side
46,115.06x = 1,366,055,061.54 - Step 5: Solve for x
x = 1,366,055,061.54/46,115.06 - Step 6: Final answer
x = 29,622.75
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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.