Finding the Fourth Proportional to 7,703,349.20, 10,630,491.67 and 4,265,516.42
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Solution
The fourth proportional to 7,703,349.20, 10,630,491.67 and 4,265,516.42 is: 5,886,340.55
Step by Step Solution
- Step 1: Write the proportion equation
7,703,349.20 : 10,630,491.67 = 4,265,516.42 : x - Step 2: Convert to fraction form
7,703,349.20/10,630,491.67 = 4,265,516.42/x - Step 3: Cross multiply
7,703,349.20x = 10,630,491.67 × 4,265,516.42 - Step 4: Simplify right side
7,703,349.20x = 45,344,536,771,058.22 - Step 5: Solve for x
x = 45,344,536,771,058.22/7,703,349.20 - Step 6: Final answer
x = 5,886,340.55
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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.