Finding the Fourth Proportional to 7,556,755.34, 10,428,425.99 and 4,118,988.98
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Solution
The fourth proportional to 7,556,755.34, 10,428,425.99 and 4,118,988.98 is: 5,684,261.27
Step by Step Solution
- Step 1: Write the proportion equation
7,556,755.34 : 10,428,425.99 = 4,118,988.98 : x - Step 2: Convert to fraction form
7,556,755.34/10,428,425.99 = 4,118,988.98/x - Step 3: Cross multiply
7,556,755.34x = 10,428,425.99 × 4,118,988.98 - Step 4: Simplify right side
7,556,755.34x = 42,954,571,658,818.52 - Step 5: Solve for x
x = 42,954,571,658,818.52/7,556,755.34 - Step 6: Final answer
x = 5,684,261.27
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1.5x scale
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.