Finding the Fourth Proportional to 7,530,332.70, 11,283,057.45 and 6,410,588.70
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Solution
The fourth proportional to 7,530,332.70, 11,283,057.45 and 6,410,588.70 is: 9,605,291.49
Step by Step Solution
- Step 1: Write the proportion equation
7,530,332.70 : 11,283,057.45 = 6,410,588.70 : x - Step 2: Convert to fraction form
7,530,332.70/11,283,057.45 = 6,410,588.70/x - Step 3: Cross multiply
7,530,332.70x = 11,283,057.45 × 6,410,588.70 - Step 4: Simplify right side
7,530,332.70x = 72,331,040,590,420.81 - Step 5: Solve for x
x = 72,331,040,590,420.81/7,530,332.70 - Step 6: Final answer
x = 9,605,291.49
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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.