Finding the Fourth Proportional to 76,995.86, 115,497.93 and 24,409.44
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Solution
The fourth proportional to 76,995.86, 115,497.93 and 24,409.44 is: 36,615.48
Step by Step Solution
- Step 1: Write the proportion equation
76,995.86 : 115,497.93 = 24,409.44 : x - Step 2: Convert to fraction form
76,995.86/115,497.93 = 24,409.44/x - Step 3: Cross multiply
76,995.86x = 115,497.93 × 24,409.44 - Step 4: Simplify right side
76,995.86x = 2,819,239,989.67 - Step 5: Solve for x
x = 2,819,239,989.67/76,995.86 - Step 6: Final answer
x = 36,615.48
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Double scale
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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.