Finding the Fourth Proportional to 5,651,514.60, 8,417,428.14 and 5,623,982.70
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Solution
The fourth proportional to 5,651,514.60, 8,417,428.14 and 5,623,982.70 is: 8,376,421.82
Step by Step Solution
- Step 1: Write the proportion equation
5,651,514.60 : 8,417,428.14 = 5,623,982.70 : x - Step 2: Convert to fraction form
5,651,514.60/8,417,428.14 = 5,623,982.70/x - Step 3: Cross multiply
5,651,514.60x = 8,417,428.14 × 5,623,982.70 - Step 4: Simplify right side
5,651,514.60x = 47,339,470,237,853.18 - Step 5: Solve for x
x = 47,339,470,237,853.18/5,651,514.60 - Step 6: Final answer
x = 8,376,421.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.