Finding the Fourth Proportional to 5,551,302.96, 7,658,451.84 and 3,716,352.24
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Solution
The fourth proportional to 5,551,302.96, 7,658,451.84 and 3,716,352.24 is: 5,126,995.38
Step by Step Solution
- Step 1: Write the proportion equation
5,551,302.96 : 7,658,451.84 = 3,716,352.24 : x - Step 2: Convert to fraction form
5,551,302.96/7,658,451.84 = 3,716,352.24/x - Step 3: Cross multiply
5,551,302.96x = 7,658,451.84 × 3,716,352.24 - Step 4: Simplify right side
5,551,302.96x = 28,461,504,650,516.12 - Step 5: Solve for x
x = 28,461,504,650,516.12/5,551,302.96 - Step 6: Final answer
x = 5,126,995.38
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Double scale
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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.