Finding the Fourth Proportional to 38,246,678.42, 52,765,433.97 and 23,536,806.80
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Solution
The fourth proportional to 38,246,678.42, 52,765,433.97 and 23,536,806.80 is: 32,471,573.39
Step by Step Solution
- Step 1: Write the proportion equation
38,246,678.42 : 52,765,433.97 = 23,536,806.80 : x - Step 2: Convert to fraction form
38,246,678.42/52,765,433.97 = 23,536,806.80/x - Step 3: Cross multiply
38,246,678.42x = 52,765,433.97 × 23,536,806.80 - Step 4: Simplify right side
38,246,678.42x = 1,241,929,825,070,047 - Step 5: Solve for x
x = 1,241,929,825,070,047/38,246,678.42 - Step 6: Final answer
x = 32,471,573.39
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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.