Finding the Fourth Proportional to 18,602.88, 27,898.56 and 6,288
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Solution
The fourth proportional to 18,602.88, 27,898.56 and 6,288 is: 9,430.05
Step by Step Solution
- Step 1: Write the proportion equation
18,602.88 : 27,898.56 = 6,288 : x - Step 2: Convert to fraction form
18,602.88/27,898.56 = 6,288/x - Step 3: Cross multiply
18,602.88x = 27,898.56 × 6,288 - Step 4: Simplify right side
18,602.88x = 175,426,145.28 - Step 5: Solve for x
x = 175,426,145.28/18,602.88 - Step 6: Final answer
x = 9,430.05
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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.