Finding the Fourth Proportional to 7,523,245.26, 10,385,256.42 and 5,079,166.74
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Solution
The fourth proportional to 7,523,245.26, 10,385,256.42 and 5,079,166.74 is: 7,011,395.64
Step by Step Solution
- Step 1: Write the proportion equation
7,523,245.26 : 10,385,256.42 = 5,079,166.74 : x - Step 2: Convert to fraction form
7,523,245.26/10,385,256.42 = 5,079,166.74/x - Step 3: Cross multiply
7,523,245.26x = 10,385,256.42 × 5,079,166.74 - Step 4: Simplify right side
7,523,245.26x = 52,748,448,994,835.48 - Step 5: Solve for x
x = 52,748,448,994,835.48/7,523,245.26 - Step 6: Final answer
x = 7,011,395.64
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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.