Finding the Fourth Proportional to 75,817.01, 113,674.80 and 53,346.08
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Solution
The fourth proportional to 75,817.01, 113,674.80 and 53,346.08 is: 79,983.44
Step by Step Solution
- Step 1: Write the proportion equation
75,817.01 : 113,674.80 = 53,346.08 : x - Step 2: Convert to fraction form
75,817.01/113,674.80 = 53,346.08/x - Step 3: Cross multiply
75,817.01x = 113,674.80 × 53,346.08 - Step 4: Simplify right side
75,817.01x = 6,064,104,974.78 - Step 5: Solve for x
x = 6,064,104,974.78/75,817.01 - Step 6: Final answer
x = 79,983.44
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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.