Finding the Fourth Proportional to 52,003,935.12, 71,764,056.90 and 29,676,520.99
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Solution
The fourth proportional to 52,003,935.12, 71,764,056.90 and 29,676,520.99 is: 40,952,815.12
Step by Step Solution
- Step 1: Write the proportion equation
52,003,935.12 : 71,764,056.90 = 29,676,520.99 : x - Step 2: Convert to fraction form
52,003,935.12/71,764,056.90 = 29,676,520.99/x - Step 3: Cross multiply
52,003,935.12x = 71,764,056.90 × 29,676,520.99 - Step 4: Simplify right side
52,003,935.12x = 2,129,707,540,740,994.50 - Step 5: Solve for x
x = 2,129,707,540,740,994.50/52,003,935.12 - Step 6: Final answer
x = 40,952,815.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.