Finding the Fourth Proportional to 7,544,534.40, 10,411,286.40 and 4,106,764.80
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Solution
The fourth proportional to 7,544,534.40, 10,411,286.40 and 4,106,764.80 is: 5,667,242.30
Step by Step Solution
- Step 1: Write the proportion equation
7,544,534.40 : 10,411,286.40 = 4,106,764.80 : x - Step 2: Convert to fraction form
7,544,534.40/10,411,286.40 = 4,106,764.80/x - Step 3: Cross multiply
7,544,534.40x = 10,411,286.40 × 4,106,764.80 - Step 4: Simplify right side
7,544,534.40x = 42,756,704,510,238.72 - Step 5: Solve for x
x = 42,756,704,510,238.72/7,544,534.40 - Step 6: Final answer
x = 5,667,242.30
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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.