Finding the Fourth Proportional to 39,168.80, 58,762.92 and 18,368
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Solution
The fourth proportional to 39,168.80, 58,762.92 and 18,368 is: 27,556.56
Step by Step Solution
- Step 1: Write the proportion equation
39,168.80 : 58,762.92 = 18,368 : x - Step 2: Convert to fraction form
39,168.80/58,762.92 = 18,368/x - Step 3: Cross multiply
39,168.80x = 58,762.92 × 18,368 - Step 4: Simplify right side
39,168.80x = 1,079,357,314.56 - Step 5: Solve for x
x = 1,079,357,314.56/39,168.80 - Step 6: Final answer
x = 27,556.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.