Finding the Fourth Proportional to 9,625,681.29, 13,283,440.32 and 5,274,938.82
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Solution
The fourth proportional to 9,625,681.29, 13,283,440.32 and 5,274,938.82 is: 7,279,415.65
Step by Step Solution
- Step 1: Write the proportion equation
9,625,681.29 : 13,283,440.32 = 5,274,938.82 : x - Step 2: Convert to fraction form
9,625,681.29/13,283,440.32 = 5,274,938.82/x - Step 3: Cross multiply
9,625,681.29x = 13,283,440.32 × 5,274,938.82 - Step 4: Simplify right side
9,625,681.29x = 70,069,335,007,121.23 - Step 5: Solve for x
x = 70,069,335,007,121.23/9,625,681.29 - Step 6: Final answer
x = 7,279,415.65
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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.