Finding the Fourth Proportional to 5,614,246.80, 8,421,370.20 and 5,026,381.20
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Solution
The fourth proportional to 5,614,246.80, 8,421,370.20 and 5,026,381.20 is: 7,539,571.80
Step by Step Solution
- Step 1: Write the proportion equation
5,614,246.80 : 8,421,370.20 = 5,026,381.20 : x - Step 2: Convert to fraction form
5,614,246.80/8,421,370.20 = 5,026,381.20/x - Step 3: Cross multiply
5,614,246.80x = 8,421,370.20 × 5,026,381.20 - Step 4: Simplify right side
5,614,246.80x = 42,329,016,851,520.23 - Step 5: Solve for x
x = 42,329,016,851,520.23/5,614,246.80 - Step 6: Final answer
x = 7,539,571.80
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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.