Finding the Fourth Proportional to 74,424.08, 111,631.60 and 26,395.07
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Solution
The fourth proportional to 74,424.08, 111,631.60 and 26,395.07 is: 39,590.99
Step by Step Solution
- Step 1: Write the proportion equation
74,424.08 : 111,631.60 = 26,395.07 : x - Step 2: Convert to fraction form
74,424.08/111,631.60 = 26,395.07/x - Step 3: Cross multiply
74,424.08x = 111,631.60 × 26,395.07 - Step 4: Simplify right side
74,424.08x = 2,946,523,206.08 - Step 5: Solve for x
x = 2,946,523,206.08/74,424.08 - Step 6: Final answer
x = 39,590.99
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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.