Finding the Fourth Proportional to 5,482,367.76, 7,548,768.84 and 4,869,455.55
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Solution
The fourth proportional to 5,482,367.76, 7,548,768.84 and 4,869,455.55 is: 6,704,839.21
Step by Step Solution
- Step 1: Write the proportion equation
5,482,367.76 : 7,548,768.84 = 4,869,455.55 : x - Step 2: Convert to fraction form
5,482,367.76/7,548,768.84 = 4,869,455.55/x - Step 3: Cross multiply
5,482,367.76x = 7,548,768.84 × 4,869,455.55 - Step 4: Simplify right side
5,482,367.76x = 36,758,394,323,605.06 - Step 5: Solve for x
x = 36,758,394,323,605.06/5,482,367.76 - Step 6: Final answer
x = 6,704,839.21
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1.5x scale
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.