Finding the Fourth Proportional to 5,641,552.42, 7,785,342.30 and 3,227,104.42
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Solution
The fourth proportional to 5,641,552.42, 7,785,342.30 and 3,227,104.42 is: 4,453,404.08
Step by Step Solution
- Step 1: Write the proportion equation
5,641,552.42 : 7,785,342.30 = 3,227,104.42 : x - Step 2: Convert to fraction form
5,641,552.42/7,785,342.30 = 3,227,104.42/x - Step 3: Cross multiply
5,641,552.42x = 7,785,342.30 × 3,227,104.42 - Step 4: Simplify right side
5,641,552.42x = 25,124,112,547,542.96 - Step 5: Solve for x
x = 25,124,112,547,542.96/5,641,552.42 - Step 6: Final answer
x = 4,453,404.08
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Double scale
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1.5x scale
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.