Finding the Fourth Proportional to 7,555,531.74, 11,335,521.17 and 2,437,865.63
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Solution
The fourth proportional to 7,555,531.74, 11,335,521.17 and 2,437,865.63 is: 3,657,515.89
Step by Step Solution
- Step 1: Write the proportion equation
7,555,531.74 : 11,335,521.17 = 2,437,865.63 : x - Step 2: Convert to fraction form
7,555,531.74/11,335,521.17 = 2,437,865.63/x - Step 3: Cross multiply
7,555,531.74x = 11,335,521.17 × 2,437,865.63 - Step 4: Simplify right side
7,555,531.74x = 27,634,477,389,613.45 - Step 5: Solve for x
x = 27,634,477,389,613.45/7,555,531.74 - Step 6: Final answer
x = 3,657,515.89
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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.