Finding the Fourth Proportional to 6,573,356.20, 9,860,034.30 and 6,478,877.80
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Solution
The fourth proportional to 6,573,356.20, 9,860,034.30 and 6,478,877.80 is: 9,718,316.70
Step by Step Solution
- Step 1: Write the proportion equation
6,573,356.20 : 9,860,034.30 = 6,478,877.80 : x - Step 2: Convert to fraction form
6,573,356.20/9,860,034.30 = 6,478,877.80/x - Step 3: Cross multiply
6,573,356.20x = 9,860,034.30 × 6,478,877.80 - Step 4: Simplify right side
6,573,356.20x = 63,881,957,333,508.55 - Step 5: Solve for x
x = 63,881,957,333,508.55/6,573,356.20 - Step 6: Final answer
x = 9,718,316.70
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1.5x scale
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.