Finding the Fourth Proportional to 53,199,716.99, 73,415,576.25 and 28,753,430.99
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Solution
The fourth proportional to 53,199,716.99, 73,415,576.25 and 28,753,430.99 is: 39,679,716.82
Step by Step Solution
- Step 1: Write the proportion equation
53,199,716.99 : 73,415,576.25 = 28,753,430.99 : x - Step 2: Convert to fraction form
53,199,716.99/73,415,576.25 = 28,753,430.99/x - Step 3: Cross multiply
53,199,716.99x = 73,415,576.25 × 28,753,430.99 - Step 4: Simplify right side
53,199,716.99x = 2,110,949,704,928,380 - Step 5: Solve for x
x = 2,110,949,704,928,380/53,199,716.99 - Step 6: Final answer
x = 39,679,716.82
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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.