Finding the Fourth Proportional to 5,253,832.53, 7,865,394.84 and 4,749,554.07
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Solution
The fourth proportional to 5,253,832.53, 7,865,394.84 and 4,749,554.07 is: 7,110,450.87
Step by Step Solution
- Step 1: Write the proportion equation
5,253,832.53 : 7,865,394.84 = 4,749,554.07 : x - Step 2: Convert to fraction form
5,253,832.53/7,865,394.84 = 4,749,554.07/x - Step 3: Cross multiply
5,253,832.53x = 7,865,394.84 × 4,749,554.07 - Step 4: Simplify right side
5,253,832.53x = 37,357,118,074,479 - Step 5: Solve for x
x = 37,357,118,074,479/5,253,832.53 - Step 6: Final answer
x = 7,110,450.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.