Finding the Fourth Proportional to 7,370,352.80, 11,062,527.60 and 4,536,000.80
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Solution
The fourth proportional to 7,370,352.80, 11,062,527.60 and 4,536,000.80 is: 6,808,308.29
Step by Step Solution
- Step 1: Write the proportion equation
7,370,352.80 : 11,062,527.60 = 4,536,000.80 : x - Step 2: Convert to fraction form
7,370,352.80/11,062,527.60 = 4,536,000.80/x - Step 3: Cross multiply
7,370,352.80x = 11,062,527.60 × 4,536,000.80 - Step 4: Simplify right side
7,370,352.80x = 50,179,634,043,622.08 - Step 5: Solve for x
x = 50,179,634,043,622.08/7,370,352.80 - Step 6: Final answer
x = 6,808,308.29
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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.