Finding the Fourth Proportional to 7,482,749.62, 10,319,308.05 and 4,903,493.62
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Solution
The fourth proportional to 7,482,749.62, 10,319,308.05 and 4,903,493.62 is: 6,762,308.48
Step by Step Solution
- Step 1: Write the proportion equation
7,482,749.62 : 10,319,308.05 = 4,903,493.62 : x - Step 2: Convert to fraction form
7,482,749.62/10,319,308.05 = 4,903,493.62/x - Step 3: Cross multiply
7,482,749.62x = 10,319,308.05 × 4,903,493.62 - Step 4: Simplify right side
7,482,749.62x = 50,600,661,185,989.65 - Step 5: Solve for x
x = 50,600,661,185,989.65/7,482,749.62 - Step 6: Final answer
x = 6,762,308.48
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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.