Finding the Fourth Proportional to 7,521,802.01, 10,379,980.26 and 4,258,531.92
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Solution
The fourth proportional to 7,521,802.01, 10,379,980.26 and 4,258,531.92 is: 5,876,713.75
Step by Step Solution
- Step 1: Write the proportion equation
7,521,802.01 : 10,379,980.26 = 4,258,531.92 : x - Step 2: Convert to fraction form
7,521,802.01/10,379,980.26 = 4,258,531.92/x - Step 3: Cross multiply
7,521,802.01x = 10,379,980.26 × 4,258,531.92 - Step 4: Simplify right side
7,521,802.01x = 44,203,477,266,179.90 - Step 5: Solve for x
x = 44,203,477,266,179.90/7,521,802.01 - Step 6: Final answer
x = 5,876,713.75
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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.