Finding the Fourth Proportional to 103,634.24, 155,451.36 and 37,070.33
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Solution
The fourth proportional to 103,634.24, 155,451.36 and 37,070.33 is: 55,605.50
Step by Step Solution
- Step 1: Write the proportion equation
103,634.24 : 155,451.36 = 37,070.33 : x - Step 2: Convert to fraction form
103,634.24/155,451.36 = 37,070.33/x - Step 3: Cross multiply
103,634.24x = 155,451.36 × 37,070.33 - Step 4: Simplify right side
103,634.24x = 5,762,633,214.15 - Step 5: Solve for x
x = 5,762,633,214.15/103,634.24 - Step 6: Final answer
x = 55,605.50
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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.