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Finding the Fourth Proportional to 3,354.56, 4,632.72 and 2,834.72

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Solution

The fourth proportional to 3,354.56, 4,632.72 and 2,834.72 is: 3,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.56 : 4,632.72 = 2,834.72 : x
  2. Step 2: Convert to fraction form
    3,354.56/4,632.72 = 2,834.72/x
  3. Step 3: Cross multiply
    3,354.56x = 4,632.72 × 2,834.72
  4. Step 4: Simplify right side
    3,354.56x = 13,132,464.04
  5. Step 5: Solve for x
    x = 13,132,464.04/3,354.56
  6. Step 6: Final answer
    x = 3,914.81

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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.