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Finding the Fourth Proportional to 4,729.92, 6,523.92 and 3,155.28

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Solution

The fourth proportional to 4,729.92, 6,523.92 and 3,155.28 is: 4,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.92 : 6,523.92 = 3,155.28 : x
  2. Step 2: Convert to fraction form
    4,729.92/6,523.92 = 3,155.28/x
  3. Step 3: Cross multiply
    4,729.92x = 6,523.92 × 3,155.28
  4. Step 4: Simplify right side
    4,729.92x = 20,584,794.30
  5. Step 5: Solve for x
    x = 20,584,794.30/4,729.92
  6. Step 6: Final answer
    x = 4,352.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.