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Finding the Fourth Proportional to 4,664, 6,436.34 and 2,568.32

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Solution

The fourth proportional to 4,664, 6,436.34 and 2,568.32 is: 3,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664 : 6,436.34 = 2,568.32 : x
  2. Step 2: Convert to fraction form
    4,664/6,436.34 = 2,568.32/x
  3. Step 3: Cross multiply
    4,664x = 6,436.34 × 2,568.32
  4. Step 4: Simplify right side
    4,664x = 16,530,580.75
  5. Step 5: Solve for x
    x = 16,530,580.75/4,664
  6. Step 6: Final answer
    x = 3,544.29

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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.