Finding the Fourth Proportional to 5,528,991.40, 8,293,487.10 and 4,584,207.40
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Solution
The fourth proportional to 5,528,991.40, 8,293,487.10 and 4,584,207.40 is: 6,876,311.10
Step by Step Solution
- Step 1: Write the proportion equation
5,528,991.40 : 8,293,487.10 = 4,584,207.40 : x - Step 2: Convert to fraction form
5,528,991.40/8,293,487.10 = 4,584,207.40/x - Step 3: Cross multiply
5,528,991.40x = 8,293,487.10 × 4,584,207.40 - Step 4: Simplify right side
5,528,991.40x = 38,019,064,935,624.54 - Step 5: Solve for x
x = 38,019,064,935,624.54/5,528,991.40 - Step 6: Final answer
x = 6,876,311.10
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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.