Finding the Fourth Proportional to 5,523,027.12, 7,617,851.28 and 3,686,559.48
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Solution
The fourth proportional to 5,523,027.12, 7,617,851.28 and 3,686,559.48 is: 5,084,831.42
Step by Step Solution
- Step 1: Write the proportion equation
5,523,027.12 : 7,617,851.28 = 3,686,559.48 : x - Step 2: Convert to fraction form
5,523,027.12/7,617,851.28 = 3,686,559.48/x - Step 3: Cross multiply
5,523,027.12x = 7,617,851.28 × 3,686,559.48 - Step 4: Simplify right side
5,523,027.12x = 28,083,661,853,514.14 - Step 5: Solve for x
x = 28,083,661,853,514.14/5,523,027.12 - Step 6: Final answer
x = 5,084,831.42
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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.