Finding the Fourth Proportional to 74,858.19, 112,289.36 and 24,936.53
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Solution
The fourth proportional to 74,858.19, 112,289.36 and 24,936.53 is: 37,405.48
Step by Step Solution
- Step 1: Write the proportion equation
74,858.19 : 112,289.36 = 24,936.53 : x - Step 2: Convert to fraction form
74,858.19/112,289.36 = 24,936.53/x - Step 3: Cross multiply
74,858.19x = 112,289.36 × 24,936.53 - Step 4: Simplify right side
74,858.19x = 2,800,106,308.19 - Step 5: Solve for x
x = 2,800,106,308.19/74,858.19 - Step 6: Final answer
x = 37,405.48
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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.