Finding the Fourth Proportional to 7,725,824.80, 11,588,679.60 and 2,334,464.80
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Solution
The fourth proportional to 7,725,824.80, 11,588,679.60 and 2,334,464.80 is: 3,501,679.80
Step by Step Solution
- Step 1: Write the proportion equation
7,725,824.80 : 11,588,679.60 = 2,334,464.80 : x - Step 2: Convert to fraction form
7,725,824.80/11,588,679.60 = 2,334,464.80/x - Step 3: Cross multiply
7,725,824.80x = 11,588,679.60 × 2,334,464.80 - Step 4: Simplify right side
7,725,824.80x = 27,053,364,604,678.08 - Step 5: Solve for x
x = 27,053,364,604,678.08/7,725,824.80 - Step 6: Final answer
x = 3,501,679.80
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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.