Finding the Fourth Proportional to 7,283,816.70, 10,178,447.70 and 7,283,816.70
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Solution
The fourth proportional to 7,283,816.70, 10,178,447.70 and 7,283,816.70 is: 10,178,447.70
Step by Step Solution
- Step 1: Write the proportion equation
7,283,816.70 : 10,178,447.70 = 7,283,816.70 : x - Step 2: Convert to fraction form
7,283,816.70/10,178,447.70 = 7,283,816.70/x - Step 3: Cross multiply
7,283,816.70x = 10,178,447.70 × 7,283,816.70 - Step 4: Simplify right side
7,283,816.70x = 74,137,947,337,336.59 - Step 5: Solve for x
x = 74,137,947,337,336.59/7,283,816.70 - Step 6: Final answer
x = 10,178,447.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.