Finding the Fourth Proportional to 74,521.08, 111,782.52 and 29,553.48
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Solution
The fourth proportional to 74,521.08, 111,782.52 and 29,553.48 is: 44,330.58
Step by Step Solution
- Step 1: Write the proportion equation
74,521.08 : 111,782.52 = 29,553.48 : x - Step 2: Convert to fraction form
74,521.08/111,782.52 = 29,553.48/x - Step 3: Cross multiply
74,521.08x = 111,782.52 × 29,553.48 - Step 4: Simplify right side
74,521.08x = 3,303,562,469.17 - Step 5: Solve for x
x = 3,303,562,469.17/74,521.08 - Step 6: Final answer
x = 44,330.58
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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.