Finding the Fourth Proportional to 51,207.57, 70,666.74 and 28,548
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Solution
The fourth proportional to 51,207.57, 70,666.74 and 28,548 is: 39,396.40
Step by Step Solution
- Step 1: Write the proportion equation
51,207.57 : 70,666.74 = 28,548 : x - Step 2: Convert to fraction form
51,207.57/70,666.74 = 28,548/x - Step 3: Cross multiply
51,207.57x = 70,666.74 × 28,548 - Step 4: Simplify right side
51,207.57x = 2,017,394,093.52 - Step 5: Solve for x
x = 2,017,394,093.52/51,207.57 - Step 6: Final answer
x = 39,396.40
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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.