Finding the Fourth Proportional to 5,544,158.20, 8,316,237.30 and 5,129,438.20
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Solution
The fourth proportional to 5,544,158.20, 8,316,237.30 and 5,129,438.20 is: 7,694,157.30
Step by Step Solution
- Step 1: Write the proportion equation
5,544,158.20 : 8,316,237.30 = 5,129,438.20 : x - Step 2: Convert to fraction form
5,544,158.20/8,316,237.30 = 5,129,438.20/x - Step 3: Cross multiply
5,544,158.20x = 8,316,237.30 × 5,129,438.20 - Step 4: Simplify right side
5,544,158.20x = 42,657,625,286,884.86 - Step 5: Solve for x
x = 42,657,625,286,884.86/5,544,158.20 - Step 6: Final answer
x = 7,694,157.30
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.