Finding the Fourth Proportional to 74,832.84, 112,254.12 and 22,237.92
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Solution
The fourth proportional to 74,832.84, 112,254.12 and 22,237.92 is: 33,358.32
Step by Step Solution
- Step 1: Write the proportion equation
74,832.84 : 112,254.12 = 22,237.92 : x - Step 2: Convert to fraction form
74,832.84/112,254.12 = 22,237.92/x - Step 3: Cross multiply
74,832.84x = 112,254.12 × 22,237.92 - Step 4: Simplify right side
74,832.84x = 2,496,298,140.23 - Step 5: Solve for x
x = 2,496,298,140.23/74,832.84 - Step 6: Final answer
x = 33,358.32
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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.