Finding the Fourth Proportional to 74,860.13, 112,288.74 and 24,943.88
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Solution
The fourth proportional to 74,860.13, 112,288.74 and 24,943.88 is: 37,415.34
Step by Step Solution
- Step 1: Write the proportion equation
74,860.13 : 112,288.74 = 24,943.88 : x - Step 2: Convert to fraction form
74,860.13/112,288.74 = 24,943.88/x - Step 3: Cross multiply
74,860.13x = 112,288.74 × 24,943.88 - Step 4: Simplify right side
74,860.13x = 2,800,916,855.91 - Step 5: Solve for x
x = 2,800,916,855.91/74,860.13 - Step 6: Final answer
x = 37,415.34
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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.