Finding the Fourth Proportional to 7,668,454.76, 10,582,098.26 and 4,183,586.12
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Solution
The fourth proportional to 7,668,454.76, 10,582,098.26 and 4,183,586.12 is: 5,773,147.37
Step by Step Solution
- Step 1: Write the proportion equation
7,668,454.76 : 10,582,098.26 = 4,183,586.12 : x - Step 2: Convert to fraction form
7,668,454.76/10,582,098.26 = 4,183,586.12/x - Step 3: Cross multiply
7,668,454.76x = 10,582,098.26 × 4,183,586.12 - Step 4: Simplify right side
7,668,454.76x = 44,271,119,401,012.15 - Step 5: Solve for x
x = 44,271,119,401,012.15/7,668,454.76 - Step 6: Final answer
x = 5,773,147.37
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Double scale
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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.