Finding the Fourth Proportional to 7,264,037.60, 10,876,395.60 and 5,691,173.60
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Solution
The fourth proportional to 7,264,037.60, 10,876,395.60 and 5,691,173.60 is: 8,521,356.70
Step by Step Solution
- Step 1: Write the proportion equation
7,264,037.60 : 10,876,395.60 = 5,691,173.60 : x - Step 2: Convert to fraction form
7,264,037.60/10,876,395.60 = 5,691,173.60/x - Step 3: Cross multiply
7,264,037.60x = 10,876,395.60 × 5,691,173.60 - Step 4: Simplify right side
7,264,037.60x = 61,899,455,501,876.16 - Step 5: Solve for x
x = 61,899,455,501,876.16/7,264,037.60 - Step 6: Final answer
x = 8,521,356.70
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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.