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Finding the Fourth Proportional to 4,586, 6,328.82 and 2,490.26

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Solution

The fourth proportional to 4,586, 6,328.82 and 2,490.26 is: 3,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586 : 6,328.82 = 2,490.26 : x
  2. Step 2: Convert to fraction form
    4,586/6,328.82 = 2,490.26/x
  3. Step 3: Cross multiply
    4,586x = 6,328.82 × 2,490.26
  4. Step 4: Simplify right side
    4,586x = 15,760,394.84
  5. Step 5: Solve for x
    x = 15,760,394.84/4,586
  6. Step 6: Final answer
    x = 3,436.63

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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.