Finding the Fourth Proportional to 5,625,702.36, 7,763,309.28 and 3,302,557.56
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Solution
The fourth proportional to 5,625,702.36, 7,763,309.28 and 3,302,557.56 is: 4,557,435.52
Step by Step Solution
- Step 1: Write the proportion equation
5,625,702.36 : 7,763,309.28 = 3,302,557.56 : x - Step 2: Convert to fraction form
5,625,702.36/7,763,309.28 = 3,302,557.56/x - Step 3: Cross multiply
5,625,702.36x = 7,763,309.28 × 3,302,557.56 - Step 4: Simplify right side
5,625,702.36x = 25,638,775,753,282.16 - Step 5: Solve for x
x = 25,638,775,753,282.16/5,625,702.36 - Step 6: Final answer
x = 4,557,435.52
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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.