Finding the Fourth Proportional to 7,533,309.60, 11,302,588.80 and 3,276,532.80
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Solution
The fourth proportional to 7,533,309.60, 11,302,588.80 and 3,276,532.80 is: 4,915,940.65
Step by Step Solution
- Step 1: Write the proportion equation
7,533,309.60 : 11,302,588.80 = 3,276,532.80 : x - Step 2: Convert to fraction form
7,533,309.60/11,302,588.80 = 3,276,532.80/x - Step 3: Cross multiply
7,533,309.60x = 11,302,588.80 × 3,276,532.80 - Step 4: Simplify right side
7,533,309.60x = 37,033,302,928,112.64 - Step 5: Solve for x
x = 37,033,302,928,112.64/7,533,309.60 - Step 6: Final answer
x = 4,915,940.65
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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.