Finding the Fourth Proportional to 7,545,160.76, 10,412,323.47 and 4,107,400.88
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Solution
The fourth proportional to 7,545,160.76, 10,412,323.47 and 4,107,400.88 is: 5,668,214.09
Step by Step Solution
- Step 1: Write the proportion equation
7,545,160.76 : 10,412,323.47 = 4,107,400.88 : x - Step 2: Convert to fraction form
7,545,160.76/10,412,323.47 = 4,107,400.88/x - Step 3: Cross multiply
7,545,160.76x = 10,412,323.47 × 4,107,400.88 - Step 4: Simplify right side
7,545,160.76x = 42,767,586,531,461.04 - Step 5: Solve for x
x = 42,767,586,531,461.04/7,545,160.76 - Step 6: Final answer
x = 5,668,214.09
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Double scale
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Similar ratio
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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.