Finding the Fourth Proportional to 7,650,019.94, 10,557,216.70 and 4,165,549.70
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Solution
The fourth proportional to 7,650,019.94, 10,557,216.70 and 4,165,549.70 is: 5,748,561.59
Step by Step Solution
- Step 1: Write the proportion equation
7,650,019.94 : 10,557,216.70 = 4,165,549.70 : x - Step 2: Convert to fraction form
7,650,019.94/10,557,216.70 = 4,165,549.70/x - Step 3: Cross multiply
7,650,019.94x = 10,557,216.70 × 4,165,549.70 - Step 4: Simplify right side
7,650,019.94x = 43,976,610,794,320.03 - Step 5: Solve for x
x = 43,976,610,794,320.03/7,650,019.94 - Step 6: Final answer
x = 5,748,561.59
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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.