Finding the Fourth Proportional to 8,869,544.70, 13,304,317.05 and 5,510,312.70
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Solution
The fourth proportional to 8,869,544.70, 13,304,317.05 and 5,510,312.70 is: 8,265,469.05
Step by Step Solution
- Step 1: Write the proportion equation
8,869,544.70 : 13,304,317.05 = 5,510,312.70 : x - Step 2: Convert to fraction form
8,869,544.70/13,304,317.05 = 5,510,312.70/x - Step 3: Cross multiply
8,869,544.70x = 13,304,317.05 × 5,510,312.70 - Step 4: Simplify right side
8,869,544.70x = 73,310,947,205,441.55 - Step 5: Solve for x
x = 73,310,947,205,441.55/8,869,544.70 - Step 6: Final answer
x = 8,265,469.05
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Double scale
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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.