Finding the Fourth Proportional to 7,533,125.80, 11,299,688.70 and 6,707,372.20
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Solution
The fourth proportional to 7,533,125.80, 11,299,688.70 and 6,707,372.20 is: 10,061,058.30
Step by Step Solution
- Step 1: Write the proportion equation
7,533,125.80 : 11,299,688.70 = 6,707,372.20 : x - Step 2: Convert to fraction form
7,533,125.80/11,299,688.70 = 6,707,372.20/x - Step 3: Cross multiply
7,533,125.80x = 11,299,688.70 × 6,707,372.20 - Step 4: Simplify right side
7,533,125.80x = 75,791,217,855,034.14 - Step 5: Solve for x
x = 75,791,217,855,034.14/7,533,125.80 - Step 6: Final answer
x = 10,061,058.30
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1.5x scale
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.