Finding the Fourth Proportional to 5,671,769.48, 7,828,660.50 and 3,225,699.08
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Solution
The fourth proportional to 5,671,769.48, 7,828,660.50 and 3,225,699.08 is: 4,452,385.28
Step by Step Solution
- Step 1: Write the proportion equation
5,671,769.48 : 7,828,660.50 = 3,225,699.08 : x - Step 2: Convert to fraction form
5,671,769.48/7,828,660.50 = 3,225,699.08/x - Step 3: Cross multiply
5,671,769.48x = 7,828,660.50 × 3,225,699.08 - Step 4: Simplify right side
5,671,769.48x = 25,252,902,972,482.34 - Step 5: Solve for x
x = 25,252,902,972,482.34/5,671,769.48 - Step 6: Final answer
x = 4,452,385.28
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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.