Finding the Fourth Proportional to 23,446,795.48, 32,284,350.75 and 20,828,759.65
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Solution
The fourth proportional to 23,446,795.48, 32,284,350.75 and 20,828,759.65 is: 28,679,526.07
Step by Step Solution
- Step 1: Write the proportion equation
23,446,795.48 : 32,284,350.75 = 20,828,759.65 : x - Step 2: Convert to fraction form
23,446,795.48/32,284,350.75 = 20,828,759.65/x - Step 3: Cross multiply
23,446,795.48x = 32,284,350.75 × 20,828,759.65 - Step 4: Simplify right side
23,446,795.48x = 672,442,982,228,047.25 - Step 5: Solve for x
x = 672,442,982,228,047.25/23,446,795.48 - Step 6: Final answer
x = 28,679,526.07
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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.