Finding the Fourth Proportional to 5,960,403.12, 8,225,532.36 and 4,221,184.08
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Solution
The fourth proportional to 5,960,403.12, 8,225,532.36 and 4,221,184.08 is: 5,825,358.71
Step by Step Solution
- Step 1: Write the proportion equation
5,960,403.12 : 8,225,532.36 = 4,221,184.08 : x - Step 2: Convert to fraction form
5,960,403.12/8,225,532.36 = 4,221,184.08/x - Step 3: Cross multiply
5,960,403.12x = 8,225,532.36 × 4,221,184.08 - Step 4: Simplify right side
5,960,403.12x = 34,721,486,247,556.83 - Step 5: Solve for x
x = 34,721,486,247,556.83/5,960,403.12 - Step 6: Final answer
x = 5,825,358.71
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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.