Finding the Fourth Proportional to 31,875,101.70, 47,824,462.35 and 30,694,121.70
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Solution
The fourth proportional to 31,875,101.70, 47,824,462.35 and 30,694,121.70 is: 46,052,554.79
Step by Step Solution
- Step 1: Write the proportion equation
31,875,101.70 : 47,824,462.35 = 30,694,121.70 : x - Step 2: Convert to fraction form
31,875,101.70/47,824,462.35 = 30,694,121.70/x - Step 3: Cross multiply
31,875,101.70x = 47,824,462.35 × 30,694,121.70 - Step 4: Simplify right side
31,875,101.70x = 1,467,929,867,607,968 - Step 5: Solve for x
x = 1,467,929,867,607,968/31,875,101.70 - Step 6: Final answer
x = 46,052,554.79
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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.