Finding the Fourth Proportional to 7,585,907.36, 11,376,966.80 and 2,975,830.60
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Solution
The fourth proportional to 7,585,907.36, 11,376,966.80 and 2,975,830.60 is: 4,463,002.82
Step by Step Solution
- Step 1: Write the proportion equation
7,585,907.36 : 11,376,966.80 = 2,975,830.60 : x - Step 2: Convert to fraction form
7,585,907.36/11,376,966.80 = 2,975,830.60/x - Step 3: Cross multiply
7,585,907.36x = 11,376,966.80 × 2,975,830.60 - Step 4: Simplify right side
7,585,907.36x = 33,855,925,938,624.08 - Step 5: Solve for x
x = 33,855,925,938,624.08/7,585,907.36 - Step 6: Final answer
x = 4,463,002.82
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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.