Finding the Fourth Proportional to 6,827,351.70, 10,241,027.55 and 6,512,423.70
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Solution
The fourth proportional to 6,827,351.70, 10,241,027.55 and 6,512,423.70 is: 9,768,635.55
Step by Step Solution
- Step 1: Write the proportion equation
6,827,351.70 : 10,241,027.55 = 6,512,423.70 : x - Step 2: Convert to fraction form
6,827,351.70/10,241,027.55 = 6,512,423.70/x - Step 3: Cross multiply
6,827,351.70x = 10,241,027.55 × 6,512,423.70 - Step 4: Simplify right side
6,827,351.70x = 66,693,910,528,972.95 - Step 5: Solve for x
x = 66,693,910,528,972.95/6,827,351.70 - Step 6: Final answer
x = 9,768,635.55
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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.