Finding the Fourth Proportional to 7,313,948.01, 10,926,442.80 and 4,734,145.80
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Solution
The fourth proportional to 7,313,948.01, 10,926,442.80 and 4,734,145.80 is: 7,072,428.35
Step by Step Solution
- Step 1: Write the proportion equation
7,313,948.01 : 10,926,442.80 = 4,734,145.80 : x - Step 2: Convert to fraction form
7,313,948.01/10,926,442.80 = 4,734,145.80/x - Step 3: Cross multiply
7,313,948.01x = 10,926,442.80 × 4,734,145.80 - Step 4: Simplify right side
7,313,948.01x = 51,727,373,290,560.24 - Step 5: Solve for x
x = 51,727,373,290,560.24/7,313,948.01 - Step 6: Final answer
x = 7,072,428.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.