Finding the Fourth Proportional to 17,350,942.80, 26,021,748.60 and 5,220,382.80
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Solution
The fourth proportional to 17,350,942.80, 26,021,748.60 and 5,220,382.80 is: 7,829,170.46
Step by Step Solution
- Step 1: Write the proportion equation
17,350,942.80 : 26,021,748.60 = 5,220,382.80 : x - Step 2: Convert to fraction form
17,350,942.80/26,021,748.60 = 5,220,382.80/x - Step 3: Cross multiply
17,350,942.80x = 26,021,748.60 × 5,220,382.80 - Step 4: Simplify right side
17,350,942.80x = 135,843,488,817,364.08 - Step 5: Solve for x
x = 135,843,488,817,364.08/17,350,942.80 - Step 6: Final answer
x = 7,829,170.46
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1.5x scale
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.