Finding the Fourth Proportional to 39,331,102.57, 54,259,702.83 and 37,507,595.63
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Solution
The fourth proportional to 39,331,102.57, 54,259,702.83 and 37,507,595.63 is: 51,744,061.56
Step by Step Solution
- Step 1: Write the proportion equation
39,331,102.57 : 54,259,702.83 = 37,507,595.63 : x - Step 2: Convert to fraction form
39,331,102.57/54,259,702.83 = 37,507,595.63/x - Step 3: Cross multiply
39,331,102.57x = 54,259,702.83 × 37,507,595.63 - Step 4: Simplify right side
39,331,102.57x = 2,035,150,992,480,308 - Step 5: Solve for x
x = 2,035,150,992,480,308/39,331,102.57 - Step 6: Final answer
x = 51,744,061.56
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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.