Finding the Fourth Proportional to 5,252,715.48, 7,252,120.92 and 3,295,277.20
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Solution
The fourth proportional to 5,252,715.48, 7,252,120.92 and 3,295,277.20 is: 4,549,598.93
Step by Step Solution
- Step 1: Write the proportion equation
5,252,715.48 : 7,252,120.92 = 3,295,277.20 : x - Step 2: Convert to fraction form
5,252,715.48/7,252,120.92 = 3,295,277.20/x - Step 3: Cross multiply
5,252,715.48x = 7,252,120.92 × 3,295,277.20 - Step 4: Simplify right side
5,252,715.48x = 23,897,748,719,319.02 - Step 5: Solve for x
x = 23,897,748,719,319.02/5,252,715.48 - Step 6: Final answer
x = 4,549,598.93
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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.