Finding the Fourth Proportional to 3,542,995.80, 5,314,493.70 and 3,449,683.80
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Solution
The fourth proportional to 3,542,995.80, 5,314,493.70 and 3,449,683.80 is: 5,174,525.70
Step by Step Solution
- Step 1: Write the proportion equation
3,542,995.80 : 5,314,493.70 = 3,449,683.80 : x - Step 2: Convert to fraction form
3,542,995.80/5,314,493.70 = 3,449,683.80/x - Step 3: Cross multiply
3,542,995.80x = 5,314,493.70 × 3,449,683.80 - Step 4: Simplify right side
3,542,995.80x = 18,333,322,822,092.06 - Step 5: Solve for x
x = 18,333,322,822,092.06/3,542,995.80 - Step 6: Final answer
x = 5,174,525.70
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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.