Finding the Fourth Proportional to 26,331,625.80, 39,497,438.70 and 25,953,712.20
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Solution
The fourth proportional to 26,331,625.80, 39,497,438.70 and 25,953,712.20 is: 38,930,568.30
Step by Step Solution
- Step 1: Write the proportion equation
26,331,625.80 : 39,497,438.70 = 25,953,712.20 : x - Step 2: Convert to fraction form
26,331,625.80/39,497,438.70 = 25,953,712.20/x - Step 3: Cross multiply
26,331,625.80x = 39,497,438.70 × 25,953,712.20 - Step 4: Simplify right side
26,331,625.80x = 1,025,105,156,656,942.25 - Step 5: Solve for x
x = 1,025,105,156,656,942.25/26,331,625.80 - Step 6: Final answer
x = 38,930,568.30
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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.