Finding the Fourth Proportional to 5,019,988.50, 7,557,296.90 and 4,573,578.06
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Solution
The fourth proportional to 5,019,988.50, 7,557,296.90 and 4,573,578.06 is: 6,885,252.28
Step by Step Solution
- Step 1: Write the proportion equation
5,019,988.50 : 7,557,296.90 = 4,573,578.06 : x - Step 2: Convert to fraction form
5,019,988.50/7,557,296.90 = 4,573,578.06/x - Step 3: Cross multiply
5,019,988.50x = 7,557,296.90 × 4,573,578.06 - Step 4: Simplify right side
5,019,988.50x = 34,563,887,271,878.12 - Step 5: Solve for x
x = 34,563,887,271,878.12/5,019,988.50 - Step 6: Final answer
x = 6,885,252.28
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.