Finding the Fourth Proportional to 5,926,283.70, 8,889,425.55 and 4,433,291.70
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Solution
The fourth proportional to 5,926,283.70, 8,889,425.55 and 4,433,291.70 is: 6,649,937.55
Step by Step Solution
- Step 1: Write the proportion equation
5,926,283.70 : 8,889,425.55 = 4,433,291.70 : x - Step 2: Convert to fraction form
5,926,283.70/8,889,425.55 = 4,433,291.70/x - Step 3: Cross multiply
5,926,283.70x = 8,889,425.55 × 4,433,291.70 - Step 4: Simplify right side
5,926,283.70x = 39,409,416,508,582.94 - Step 5: Solve for x
x = 39,409,416,508,582.94/5,926,283.70 - Step 6: Final answer
x = 6,649,937.55
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.