Finding the Fourth Proportional to 5,288,445.76, 7,295,566.08 and 3,834,952.96
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Solution
The fourth proportional to 5,288,445.76, 7,295,566.08 and 3,834,952.96 is: 5,290,430.12
Step by Step Solution
- Step 1: Write the proportion equation
5,288,445.76 : 7,295,566.08 = 3,834,952.96 : x - Step 2: Convert to fraction form
5,288,445.76/7,295,566.08 = 3,834,952.96/x - Step 3: Cross multiply
5,288,445.76x = 7,295,566.08 × 3,834,952.96 - Step 4: Simplify right side
5,288,445.76x = 27,978,152,733,371.60 - Step 5: Solve for x
x = 27,978,152,733,371.60/5,288,445.76 - Step 6: Final answer
x = 5,290,430.12
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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.