Finding the Fourth Proportional to 5,318,654.24, 7,389,293.66 and 5,254,881.32
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Solution
The fourth proportional to 5,318,654.24, 7,389,293.66 and 5,254,881.32 is: 7,300,692.90
Step by Step Solution
- Step 1: Write the proportion equation
5,318,654.24 : 7,389,293.66 = 5,254,881.32 : x - Step 2: Convert to fraction form
5,318,654.24/7,389,293.66 = 5,254,881.32/x - Step 3: Cross multiply
5,318,654.24x = 7,389,293.66 × 5,254,881.32 - Step 4: Simplify right side
5,318,654.24x = 38,829,861,221,928.44 - Step 5: Solve for x
x = 38,829,861,221,928.44/5,318,654.24 - Step 6: Final answer
x = 7,300,692.90
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.