Finding the Fourth Proportional to 38,778, 58,167 and 11,076
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Solution
The fourth proportional to 38,778, 58,167 and 11,076 is: 16,614
Step by Step Solution
- Step 1: Write the proportion equation
38,778 : 58,167 = 11,076 : x - Step 2: Convert to fraction form
38,778/58,167 = 11,076/x - Step 3: Cross multiply
38,778x = 58,167 × 11,076 - Step 4: Simplify right side
38,778x = 644,257,692 - Step 5: Solve for x
x = 644,257,692/38,778 - Step 6: Final answer
x = 16,614
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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.