Finding the Fourth Proportional to 7,590,769.36, 10,475,412.92 and 4,153,084.20
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Solution
The fourth proportional to 7,590,769.36, 10,475,412.92 and 4,153,084.20 is: 5,731,338.92
Step by Step Solution
- Step 1: Write the proportion equation
7,590,769.36 : 10,475,412.92 = 4,153,084.20 : x - Step 2: Convert to fraction form
7,590,769.36/10,475,412.92 = 4,153,084.20/x - Step 3: Cross multiply
7,590,769.36x = 10,475,412.92 × 4,153,084.20 - Step 4: Simplify right side
7,590,769.36x = 43,505,271,886,527.87 - Step 5: Solve for x
x = 43,505,271,886,527.87/7,590,769.36 - Step 6: Final answer
x = 5,731,338.92
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1.5x scale
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.