Finding the Fourth Proportional to 74,572.21, 111,875.84 and 24,652.31
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Solution
The fourth proportional to 74,572.21, 111,875.84 and 24,652.31 is: 36,984.26
Step by Step Solution
- Step 1: Write the proportion equation
74,572.21 : 111,875.84 = 24,652.31 : x - Step 2: Convert to fraction form
74,572.21/111,875.84 = 24,652.31/x - Step 3: Cross multiply
74,572.21x = 111,875.84 × 24,652.31 - Step 4: Simplify right side
74,572.21x = 2,757,997,889.19 - Step 5: Solve for x
x = 2,757,997,889.19/74,572.21 - Step 6: Final answer
x = 36,984.26
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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.