Finding the Fourth Proportional to 8,552,769.84, 11,798,348.40 and 5,288,541.12
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Solution
The fourth proportional to 8,552,769.84, 11,798,348.40 and 5,288,541.12 is: 7,295,420.29
Step by Step Solution
- Step 1: Write the proportion equation
8,552,769.84 : 11,798,348.40 = 5,288,541.12 : x - Step 2: Convert to fraction form
8,552,769.84/11,798,348.40 = 5,288,541.12/x - Step 3: Cross multiply
8,552,769.84x = 11,798,348.40 × 5,288,541.12 - Step 4: Simplify right side
8,552,769.84x = 62,396,050,661,486.21 - Step 5: Solve for x
x = 62,396,050,661,486.21/8,552,769.84 - Step 6: Final answer
x = 7,295,420.29
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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.