Finding the Fourth Proportional to 7,085,125.68, 9,775,804.32 and 5,253,819.36
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Solution
The fourth proportional to 7,085,125.68, 9,775,804.32 and 5,253,819.36 is: 7,249,033.02
Step by Step Solution
- Step 1: Write the proportion equation
7,085,125.68 : 9,775,804.32 = 5,253,819.36 : x - Step 2: Convert to fraction form
7,085,125.68/9,775,804.32 = 5,253,819.36/x - Step 3: Cross multiply
7,085,125.68x = 9,775,804.32 × 5,253,819.36 - Step 4: Simplify right side
7,085,125.68x = 51,360,309,995,987.64 - Step 5: Solve for x
x = 51,360,309,995,987.64/7,085,125.68 - Step 6: Final answer
x = 7,249,033.02
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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.