Finding the Fourth Proportional to 5,529,235.85, 7,612,980.71 and 4,700,679.05
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Solution
The fourth proportional to 5,529,235.85, 7,612,980.71 and 4,700,679.05 is: 6,472,174.44
Step by Step Solution
- Step 1: Write the proportion equation
5,529,235.85 : 7,612,980.71 = 4,700,679.05 : x - Step 2: Convert to fraction form
5,529,235.85/7,612,980.71 = 4,700,679.05/x - Step 3: Cross multiply
5,529,235.85x = 7,612,980.71 × 4,700,679.05 - Step 4: Simplify right side
5,529,235.85x = 35,786,178,927,080.19 - Step 5: Solve for x
x = 35,786,178,927,080.19/5,529,235.85 - Step 6: Final answer
x = 6,472,174.44
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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.