Finding the Fourth Proportional to 6,764,265.12, 9,334,438.16 and 3,708,412.32
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Solution
The fourth proportional to 6,764,265.12, 9,334,438.16 and 3,708,412.32 is: 5,117,473.20
Step by Step Solution
- Step 1: Write the proportion equation
6,764,265.12 : 9,334,438.16 = 3,708,412.32 : x - Step 2: Convert to fraction form
6,764,265.12/9,334,438.16 = 3,708,412.32/x - Step 3: Cross multiply
6,764,265.12x = 9,334,438.16 × 3,708,412.32 - Step 4: Simplify right side
6,764,265.12x = 34,615,945,472,822.13 - Step 5: Solve for x
x = 34,615,945,472,822.13/6,764,265.12 - Step 6: Final answer
x = 5,117,473.20
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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.