Finding the Fourth Proportional to 34,389,689.48, 47,461,120.80 and 25,672,725.44
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Solution
The fourth proportional to 34,389,689.48, 47,461,120.80 and 25,672,725.44 is: 35,430,861.45
Step by Step Solution
- Step 1: Write the proportion equation
34,389,689.48 : 47,461,120.80 = 25,672,725.44 : x - Step 2: Convert to fraction form
34,389,689.48/47,461,120.80 = 25,672,725.44/x - Step 3: Cross multiply
34,389,689.48x = 47,461,120.80 × 25,672,725.44 - Step 4: Simplify right side
34,389,689.48x = 1,218,456,323,373,073.25 - Step 5: Solve for x
x = 1,218,456,323,373,073.25/34,389,689.48 - Step 6: Final answer
x = 35,430,861.45
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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.