Finding the Fourth Proportional to 7,477,029.53, 11,215,544.29 and 7,477,029.53
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Solution
The fourth proportional to 7,477,029.53, 11,215,544.29 and 7,477,029.53 is: 11,215,544.29
Step by Step Solution
- Step 1: Write the proportion equation
7,477,029.53 : 11,215,544.29 = 7,477,029.53 : x - Step 2: Convert to fraction form
7,477,029.53/11,215,544.29 = 7,477,029.53/x - Step 3: Cross multiply
7,477,029.53x = 11,215,544.29 × 7,477,029.53 - Step 4: Simplify right side
7,477,029.53x = 83,858,955,776,582.59 - Step 5: Solve for x
x = 83,858,955,776,582.59/7,477,029.53 - Step 6: Final answer
x = 11,215,544.29
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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.