Finding the Fourth Proportional to 32,419.20, 44,726.22 and 20,478
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Solution
The fourth proportional to 32,419.20, 44,726.22 and 20,478 is: 28,251.89
Step by Step Solution
- Step 1: Write the proportion equation
32,419.20 : 44,726.22 = 20,478 : x - Step 2: Convert to fraction form
32,419.20/44,726.22 = 20,478/x - Step 3: Cross multiply
32,419.20x = 44,726.22 × 20,478 - Step 4: Simplify right side
32,419.20x = 915,903,533.16 - Step 5: Solve for x
x = 915,903,533.16/32,419.20 - Step 6: Final answer
x = 28,251.89
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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.