Finding the Fourth Proportional to 74,621.93, 111,909.80 and 24,691.68
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Solution
The fourth proportional to 74,621.93, 111,909.80 and 24,691.68 is: 37,029.88
Step by Step Solution
- Step 1: Write the proportion equation
74,621.93 : 111,909.80 = 24,691.68 : x - Step 2: Convert to fraction form
74,621.93/111,909.80 = 24,691.68/x - Step 3: Cross multiply
74,621.93x = 111,909.80 × 24,691.68 - Step 4: Simplify right side
74,621.93x = 2,763,241,032.19 - Step 5: Solve for x
x = 2,763,241,032.19/74,621.93 - Step 6: Final answer
x = 37,029.88
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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.