Finding the Fourth Proportional to 7,521,349.50, 11,286,507.33 and 2,729,412.72
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Solution
The fourth proportional to 7,521,349.50, 11,286,507.33 and 2,729,412.72 is: 4,095,745.94
Step by Step Solution
- Step 1: Write the proportion equation
7,521,349.50 : 11,286,507.33 = 2,729,412.72 : x - Step 2: Convert to fraction form
7,521,349.50/11,286,507.33 = 2,729,412.72/x - Step 3: Cross multiply
7,521,349.50x = 11,286,507.33 × 2,729,412.72 - Step 4: Simplify right side
7,521,349.50x = 30,805,536,670,875.24 - Step 5: Solve for x
x = 30,805,536,670,875.24/7,521,349.50 - Step 6: Final answer
x = 4,095,745.94
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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.