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Finding the Fourth Proportional to 2,651.56, 3,659.16 and 1,472.64

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Solution

The fourth proportional to 2,651.56, 3,659.16 and 1,472.64 is: 2,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.56 : 3,659.16 = 1,472.64 : x
  2. Step 2: Convert to fraction form
    2,651.56/3,659.16 = 1,472.64/x
  3. Step 3: Cross multiply
    2,651.56x = 3,659.16 × 1,472.64
  4. Step 4: Simplify right side
    2,651.56x = 5,388,630.85
  5. Step 5: Solve for x
    x = 5,388,630.85/2,651.56
  6. Step 6: Final answer
    x = 2,032.25

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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.