Finding the Fourth Proportional to 47,704,276.80, 71,556,415.20 and 47,704,276.80
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Solution
The fourth proportional to 47,704,276.80, 71,556,415.20 and 47,704,276.80 is: 71,556,415.20
Step by Step Solution
- Step 1: Write the proportion equation
47,704,276.80 : 71,556,415.20 = 47,704,276.80 : x - Step 2: Convert to fraction form
47,704,276.80/71,556,415.20 = 47,704,276.80/x - Step 3: Cross multiply
47,704,276.80x = 71,556,415.20 × 47,704,276.80 - Step 4: Simplify right side
47,704,276.80x = 3,413,547,037,516,527.50 - Step 5: Solve for x
x = 3,413,547,037,516,527.50/47,704,276.80 - Step 6: Final answer
x = 71,556,415.20
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1.5x scale
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.