Finding the Fourth Proportional to 7,008,884.24, 9,672,203.97 and 4,068,974.10
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Solution
The fourth proportional to 7,008,884.24, 9,672,203.97 and 4,068,974.10 is: 5,615,151.59
Step by Step Solution
- Step 1: Write the proportion equation
7,008,884.24 : 9,672,203.97 = 4,068,974.10 : x - Step 2: Convert to fraction form
7,008,884.24/9,672,203.97 = 4,068,974.10/x - Step 3: Cross multiply
7,008,884.24x = 9,672,203.97 × 4,068,974.10 - Step 4: Simplify right side
7,008,884.24x = 39,355,947,443,847.18 - Step 5: Solve for x
x = 39,355,947,443,847.18/7,008,884.24 - Step 6: Final answer
x = 5,615,151.59
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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.