Finding the Fourth Proportional to 29,920,521.49, 44,880,794.53 and 7,201,418.74
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Solution
The fourth proportional to 29,920,521.49, 44,880,794.53 and 7,201,418.74 is: 10,802,131.07
Step by Step Solution
- Step 1: Write the proportion equation
29,920,521.49 : 44,880,794.53 = 7,201,418.74 : x - Step 2: Convert to fraction form
29,920,521.49/44,880,794.53 = 7,201,418.74/x - Step 3: Cross multiply
29,920,521.49x = 44,880,794.53 × 7,201,418.74 - Step 4: Simplify right side
29,920,521.49x = 323,205,394,664,226 - Step 5: Solve for x
x = 323,205,394,664,226/29,920,521.49 - Step 6: Final answer
x = 10,802,131.07
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1.5x scale
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.