Finding the Fourth Proportional to 7,125,550.39, 9,832,996.10 and 3,862,295.06
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Solution
The fourth proportional to 7,125,550.39, 9,832,996.10 and 3,862,295.06 is: 5,329,824.38
Step by Step Solution
- Step 1: Write the proportion equation
7,125,550.39 : 9,832,996.10 = 3,862,295.06 : x - Step 2: Convert to fraction form
7,125,550.39/9,832,996.10 = 3,862,295.06/x - Step 3: Cross multiply
7,125,550.39x = 9,832,996.10 × 3,862,295.06 - Step 4: Simplify right side
7,125,550.39x = 37,977,932,208,036.42 - Step 5: Solve for x
x = 37,977,932,208,036.42/7,125,550.39 - Step 6: Final answer
x = 5,329,824.38
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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.