Finding the Fourth Proportional to 4,968,014.70, 7,452,022.05 and 4,259,426.70
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Solution
The fourth proportional to 4,968,014.70, 7,452,022.05 and 4,259,426.70 is: 6,389,140.05
Step by Step Solution
- Step 1: Write the proportion equation
4,968,014.70 : 7,452,022.05 = 4,259,426.70 : x - Step 2: Convert to fraction form
4,968,014.70/7,452,022.05 = 4,259,426.70/x - Step 3: Cross multiply
4,968,014.70x = 7,452,022.05 × 4,259,426.70 - Step 4: Simplify right side
4,968,014.70x = 31,741,341,688,758.73 - Step 5: Solve for x
x = 31,741,341,688,758.73/4,968,014.70 - Step 6: Final answer
x = 6,389,140.05
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Double scale
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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.