Finding the Fourth Proportional to 7,576,854.05, 11,365,379.57 and 2,528,164.55
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Solution
The fourth proportional to 7,576,854.05, 11,365,379.57 and 2,528,164.55 is: 3,792,279.69
Step by Step Solution
- Step 1: Write the proportion equation
7,576,854.05 : 11,365,379.57 = 2,528,164.55 : x - Step 2: Convert to fraction form
7,576,854.05/11,365,379.57 = 2,528,164.55/x - Step 3: Cross multiply
7,576,854.05x = 11,365,379.57 × 2,528,164.55 - Step 4: Simplify right side
7,576,854.05x = 28,733,549,760,902.11 - Step 5: Solve for x
x = 28,733,549,760,902.11/7,576,854.05 - Step 6: Final answer
x = 3,792,279.69
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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.