Finding the Fourth Proportional to 7,256,785.01, 10,014,360.36 and 3,993,599.72
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Solution
The fourth proportional to 7,256,785.01, 10,014,360.36 and 3,993,599.72 is: 5,511,165.99
Step by Step Solution
- Step 1: Write the proportion equation
7,256,785.01 : 10,014,360.36 = 3,993,599.72 : x - Step 2: Convert to fraction form
7,256,785.01/10,014,360.36 = 3,993,599.72/x - Step 3: Cross multiply
7,256,785.01x = 10,014,360.36 × 3,993,599.72 - Step 4: Simplify right side
7,256,785.01x = 39,993,346,729,675.10 - Step 5: Solve for x
x = 39,993,346,729,675.10/7,256,785.01 - Step 6: Final answer
x = 5,511,165.99
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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.