Finding the Fourth Proportional to 7,512,296.80, 10,366,970.25 and 4,249,041.34
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Solution
The fourth proportional to 7,512,296.80, 10,366,970.25 and 4,249,041.34 is: 5,863,677.43
Step by Step Solution
- Step 1: Write the proportion equation
7,512,296.80 : 10,366,970.25 = 4,249,041.34 : x - Step 2: Convert to fraction form
7,512,296.80/10,366,970.25 = 4,249,041.34/x - Step 3: Cross multiply
7,512,296.80x = 10,366,970.25 × 4,249,041.34 - Step 4: Simplify right side
7,512,296.80x = 44,049,685,162,800.13 - Step 5: Solve for x
x = 44,049,685,162,800.13/7,512,296.80 - Step 6: Final answer
x = 5,863,677.43
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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.