Finding the Fourth Proportional to 5,634,427.74, 7,769,348.16 and 4,186,808.70
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Solution
The fourth proportional to 5,634,427.74, 7,769,348.16 and 4,186,808.70 is: 5,773,217.08
Step by Step Solution
- Step 1: Write the proportion equation
5,634,427.74 : 7,769,348.16 = 4,186,808.70 : x - Step 2: Convert to fraction form
5,634,427.74/7,769,348.16 = 4,186,808.70/x - Step 3: Cross multiply
5,634,427.74x = 7,769,348.16 × 4,186,808.70 - Step 4: Simplify right side
5,634,427.74x = 32,528,774,469,616.99 - Step 5: Solve for x
x = 32,528,774,469,616.99/5,634,427.74 - Step 6: Final answer
x = 5,773,217.08
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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.