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Finding the Fourth Proportional to 2,651.47, 3,659.09 and 1,472.60

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Solution

The fourth proportional to 2,651.47, 3,659.09 and 1,472.60 is: 2,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.47 : 3,659.09 = 1,472.60 : x
  2. Step 2: Convert to fraction form
    2,651.47/3,659.09 = 1,472.60/x
  3. Step 3: Cross multiply
    2,651.47x = 3,659.09 × 1,472.60
  4. Step 4: Simplify right side
    2,651.47x = 5,388,377.72
  5. Step 5: Solve for x
    x = 5,388,377.72/2,651.47
  6. Step 6: Final answer
    x = 2,032.22

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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.