Finding the Fourth Proportional to 32,257,968.70, 48,386,953.05 and 28,478,832.70
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Solution
The fourth proportional to 32,257,968.70, 48,386,953.05 and 28,478,832.70 is: 42,718,249.05
Step by Step Solution
- Step 1: Write the proportion equation
32,257,968.70 : 48,386,953.05 = 28,478,832.70 : x - Step 2: Convert to fraction form
32,257,968.70/48,386,953.05 = 28,478,832.70/x - Step 3: Cross multiply
32,257,968.70x = 48,386,953.05 × 28,478,832.70 - Step 4: Simplify right side
32,257,968.70x = 1,378,003,940,773,704.50 - Step 5: Solve for x
x = 1,378,003,940,773,704.50/32,257,968.70 - Step 6: Final answer
x = 42,718,249.05
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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.