Finding the Fourth Proportional to 7,165,587.84, 10,737,752.83 and 5,263,029.06
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Solution
The fourth proportional to 7,165,587.84, 10,737,752.83 and 5,263,029.06 is: 7,886,736.78
Step by Step Solution
- Step 1: Write the proportion equation
7,165,587.84 : 10,737,752.83 = 5,263,029.06 : x - Step 2: Convert to fraction form
7,165,587.84/10,737,752.83 = 5,263,029.06/x - Step 3: Cross multiply
7,165,587.84x = 10,737,752.83 × 5,263,029.06 - Step 4: Simplify right side
7,165,587.84x = 56,513,105,183,387.23 - Step 5: Solve for x
x = 56,513,105,183,387.23/7,165,587.84 - Step 6: Final answer
x = 7,886,736.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.