Finding the Fourth Proportional to 7,509,664.51, 10,363,540.79 and 4,246,967.14
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Solution
The fourth proportional to 7,509,664.51, 10,363,540.79 and 4,246,967.14 is: 5,860,929.89
Step by Step Solution
- Step 1: Write the proportion equation
7,509,664.51 : 10,363,540.79 = 4,246,967.14 : x - Step 2: Convert to fraction form
7,509,664.51/10,363,540.79 = 4,246,967.14/x - Step 3: Cross multiply
7,509,664.51x = 10,363,540.79 × 4,246,967.14 - Step 4: Simplify right side
7,509,664.51x = 44,013,617,189,179.63 - Step 5: Solve for x
x = 44,013,617,189,179.63/7,509,664.51 - Step 6: Final answer
x = 5,860,929.89
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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.