Finding the Fourth Proportional to 73,421.44, 110,132.26 and 18,017.44
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Solution
The fourth proportional to 73,421.44, 110,132.26 and 18,017.44 is: 27,026.18
Step by Step Solution
- Step 1: Write the proportion equation
73,421.44 : 110,132.26 = 18,017.44 : x - Step 2: Convert to fraction form
73,421.44/110,132.26 = 18,017.44/x - Step 3: Cross multiply
73,421.44x = 110,132.26 × 18,017.44 - Step 4: Simplify right side
73,421.44x = 1,984,301,066.24 - Step 5: Solve for x
x = 1,984,301,066.24/73,421.44 - Step 6: Final answer
x = 27,026.18
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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.