Finding the Fourth Proportional to 42,425,394.84, 63,682,621.29 and 37,598,581.98
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Solution
The fourth proportional to 42,425,394.84, 63,682,621.29 and 37,598,581.98 is: 56,437,335.85
Step by Step Solution
- Step 1: Write the proportion equation
42,425,394.84 : 63,682,621.29 = 37,598,581.98 : x - Step 2: Convert to fraction form
42,425,394.84/63,682,621.29 = 37,598,581.98/x - Step 3: Cross multiply
42,425,394.84x = 63,682,621.29 × 37,598,581.98 - Step 4: Simplify right side
42,425,394.84x = 2,394,376,257,273,358 - Step 5: Solve for x
x = 2,394,376,257,273,358/42,425,394.84 - Step 6: Final answer
x = 56,437,335.85
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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.