Finding the Fourth Proportional to 71,902.08, 107,783.46 and 27,494.64
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Solution
The fourth proportional to 71,902.08, 107,783.46 and 27,494.64 is: 41,215.32
Step by Step Solution
- Step 1: Write the proportion equation
71,902.08 : 107,783.46 = 27,494.64 : x - Step 2: Convert to fraction form
71,902.08/107,783.46 = 27,494.64/x - Step 3: Cross multiply
71,902.08x = 107,783.46 × 27,494.64 - Step 4: Simplify right side
71,902.08x = 2,963,467,430.65 - Step 5: Solve for x
x = 2,963,467,430.65/71,902.08 - Step 6: Final answer
x = 41,215.32
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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.