Finding the Fourth Proportional to 7,650,573.08, 11,470,533.05 and 3,388,430.84
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Solution
The fourth proportional to 7,650,573.08, 11,470,533.05 and 3,388,430.84 is: 5,080,287.12
Step by Step Solution
- Step 1: Write the proportion equation
7,650,573.08 : 11,470,533.05 = 3,388,430.84 : x - Step 2: Convert to fraction form
7,650,573.08/11,470,533.05 = 3,388,430.84/x - Step 3: Cross multiply
7,650,573.08x = 11,470,533.05 × 3,388,430.84 - Step 4: Simplify right side
7,650,573.08x = 38,867,107,888,977.67 - Step 5: Solve for x
x = 38,867,107,888,977.67/7,650,573.08 - Step 6: Final answer
x = 5,080,287.12
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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.