Finding the Fourth Proportional to 125,029.75, 187,544.63 and 37,477.75
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Solution
The fourth proportional to 125,029.75, 187,544.63 and 37,477.75 is: 56,216.63
Step by Step Solution
- Step 1: Write the proportion equation
125,029.75 : 187,544.63 = 37,477.75 : x - Step 2: Convert to fraction form
125,029.75/187,544.63 = 37,477.75/x - Step 3: Cross multiply
125,029.75x = 187,544.63 × 37,477.75 - Step 4: Simplify right side
125,029.75x = 7,028,750,756.98 - Step 5: Solve for x
x = 7,028,750,756.98/125,029.75 - Step 6: Final answer
x = 56,216.63
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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.