Finding the Fourth Proportional to 75,575.35, 113,358.94 and 22,980.73
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Solution
The fourth proportional to 75,575.35, 113,358.94 and 22,980.73 is: 34,469.85
Step by Step Solution
- Step 1: Write the proportion equation
75,575.35 : 113,358.94 = 22,980.73 : x - Step 2: Convert to fraction form
75,575.35/113,358.94 = 22,980.73/x - Step 3: Cross multiply
75,575.35x = 113,358.94 × 22,980.73 - Step 4: Simplify right side
75,575.35x = 2,605,071,193.23 - Step 5: Solve for x
x = 2,605,071,193.23/75,575.35 - Step 6: Final answer
x = 34,469.85
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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.