Finding the Fourth Proportional to 74,348.16, 111,544.08 and 29,952.08
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Solution
The fourth proportional to 74,348.16, 111,544.08 and 29,952.08 is: 44,936.92
Step by Step Solution
- Step 1: Write the proportion equation
74,348.16 : 111,544.08 = 29,952.08 : x - Step 2: Convert to fraction form
74,348.16/111,544.08 = 29,952.08/x - Step 3: Cross multiply
74,348.16x = 111,544.08 × 29,952.08 - Step 4: Simplify right side
74,348.16x = 3,340,977,207.69 - Step 5: Solve for x
x = 3,340,977,207.69/74,348.16 - Step 6: Final answer
x = 44,936.92
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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.