Finding the Fourth Proportional to 76,290.04, 105,285.99 and 44,452.18
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Solution
The fourth proportional to 76,290.04, 105,285.99 and 44,452.18 is: 61,347.35
Step by Step Solution
- Step 1: Write the proportion equation
76,290.04 : 105,285.99 = 44,452.18 : x - Step 2: Convert to fraction form
76,290.04/105,285.99 = 44,452.18/x - Step 3: Cross multiply
76,290.04x = 105,285.99 × 44,452.18 - Step 4: Simplify right side
76,290.04x = 4,680,191,778.96 - Step 5: Solve for x
x = 4,680,191,778.96/76,290.04 - Step 6: Final answer
x = 61,347.35
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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.