Finding the Fourth Proportional to 7,291,539.54, 10,062,527.74 and 4,028,564.70
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Solution
The fourth proportional to 7,291,539.54, 10,062,527.74 and 4,028,564.70 is: 5,559,531.54
Step by Step Solution
- Step 1: Write the proportion equation
7,291,539.54 : 10,062,527.74 = 4,028,564.70 : x - Step 2: Convert to fraction form
7,291,539.54/10,062,527.74 = 4,028,564.70/x - Step 3: Cross multiply
7,291,539.54x = 10,062,527.74 × 4,028,564.70 - Step 4: Simplify right side
7,291,539.54x = 40,537,544,036,063.38 - Step 5: Solve for x
x = 40,537,544,036,063.38/7,291,539.54 - Step 6: Final answer
x = 5,559,531.54
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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.