Finding the Fourth Proportional to 6,600,106.84, 9,107,984.87 and 3,659,907.68
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Solution
The fourth proportional to 6,600,106.84, 9,107,984.87 and 3,659,907.68 is: 5,050,582.45
Step by Step Solution
- Step 1: Write the proportion equation
6,600,106.84 : 9,107,984.87 = 3,659,907.68 : x - Step 2: Convert to fraction form
6,600,106.84/9,107,984.87 = 3,659,907.68/x - Step 3: Cross multiply
6,600,106.84x = 9,107,984.87 × 3,659,907.68 - Step 4: Simplify right side
6,600,106.84x = 33,334,383,779,507.23 - Step 5: Solve for x
x = 33,334,383,779,507.23/6,600,106.84 - Step 6: Final answer
x = 5,050,582.45
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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.