Finding the Fourth Proportional to 8,529,134.16, 11,769,068.16 and 5,477,481.84
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Solution
The fourth proportional to 8,529,134.16, 11,769,068.16 and 5,477,481.84 is: 7,558,194.76
Step by Step Solution
- Step 1: Write the proportion equation
8,529,134.16 : 11,769,068.16 = 5,477,481.84 : x - Step 2: Convert to fraction form
8,529,134.16/11,769,068.16 = 5,477,481.84/x - Step 3: Cross multiply
8,529,134.16x = 11,769,068.16 × 5,477,481.84 - Step 4: Simplify right side
8,529,134.16x = 64,464,857,120,122.21 - Step 5: Solve for x
x = 64,464,857,120,122.21/8,529,134.16 - Step 6: Final answer
x = 7,558,194.76
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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.