Finding the Fourth Proportional to 6,238,299.55, 8,652,896.05 and 6,072,390.31
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Solution
The fourth proportional to 6,238,299.55, 8,652,896.05 and 6,072,390.31 is: 8,422,769.97
Step by Step Solution
- Step 1: Write the proportion equation
6,238,299.55 : 8,652,896.05 = 6,072,390.31 : x - Step 2: Convert to fraction form
6,238,299.55/8,652,896.05 = 6,072,390.31/x - Step 3: Cross multiply
6,238,299.55x = 8,652,896.05 × 6,072,390.31 - Step 4: Simplify right side
6,238,299.55x = 52,543,762,127,457.27 - Step 5: Solve for x
x = 52,543,762,127,457.27/6,238,299.55 - Step 6: Final answer
x = 8,422,769.97
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.