Finding the Fourth Proportional to 7,022,299.08, 9,691,560.84 and 3,966,710.16
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Solution
The fourth proportional to 7,022,299.08, 9,691,560.84 and 3,966,710.16 is: 5,474,505.20
Step by Step Solution
- Step 1: Write the proportion equation
7,022,299.08 : 9,691,560.84 = 3,966,710.16 : x - Step 2: Convert to fraction form
7,022,299.08/9,691,560.84 = 3,966,710.16/x - Step 3: Cross multiply
7,022,299.08x = 9,691,560.84 × 3,966,710.16 - Step 4: Simplify right side
7,022,299.08x = 38,443,612,850,286.13 - Step 5: Solve for x
x = 38,443,612,850,286.13/7,022,299.08 - Step 6: Final answer
x = 5,474,505.20
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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.