Finding the Fourth Proportional to 6,731,333.68, 9,289,252.20 and 3,675,482.80
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Solution
The fourth proportional to 6,731,333.68, 9,289,252.20 and 3,675,482.80 is: 5,072,172.66
Step by Step Solution
- Step 1: Write the proportion equation
6,731,333.68 : 9,289,252.20 = 3,675,482.80 : x - Step 2: Convert to fraction form
6,731,333.68/9,289,252.20 = 3,675,482.80/x - Step 3: Cross multiply
6,731,333.68x = 9,289,252.20 × 3,675,482.80 - Step 4: Simplify right side
6,731,333.68x = 34,142,486,685,962.16 - Step 5: Solve for x
x = 34,142,486,685,962.16/6,731,333.68 - Step 6: Final answer
x = 5,072,172.66
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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.