Finding the Fourth Proportional to 7,682,006.58, 10,588,856.68 and 5,200,444.68
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Solution
The fourth proportional to 7,682,006.58, 10,588,856.68 and 5,200,444.68 is: 7,168,278.60
Step by Step Solution
- Step 1: Write the proportion equation
7,682,006.58 : 10,588,856.68 = 5,200,444.68 : x - Step 2: Convert to fraction form
7,682,006.58/10,588,856.68 = 5,200,444.68/x - Step 3: Cross multiply
7,682,006.58x = 10,588,856.68 × 5,200,444.68 - Step 4: Simplify right side
7,682,006.58x = 55,066,763,335,844.17 - Step 5: Solve for x
x = 55,066,763,335,844.17/7,682,006.58 - Step 6: Final answer
x = 7,168,278.60
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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.