Finding the Fourth Proportional to 8,062,527.53, 11,128,719.32 and 5,485,702.98
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Solution
The fourth proportional to 8,062,527.53, 11,128,719.32 and 5,485,702.98 is: 7,571,924.38
Step by Step Solution
- Step 1: Write the proportion equation
8,062,527.53 : 11,128,719.32 = 5,485,702.98 : x - Step 2: Convert to fraction form
8,062,527.53/11,128,719.32 = 5,485,702.98/x - Step 3: Cross multiply
8,062,527.53x = 11,128,719.32 × 5,485,702.98 - Step 4: Simplify right side
8,062,527.53x = 61,048,848,709,879.06 - Step 5: Solve for x
x = 61,048,848,709,879.06/8,062,527.53 - Step 6: Final answer
x = 7,571,924.38
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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.