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Finding the Fourth Proportional to 2,651.58, 3,659.15 and 1,472.65

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Solution

The fourth proportional to 2,651.58, 3,659.15 and 1,472.65 is: 2,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.58 : 3,659.15 = 1,472.65 : x
  2. Step 2: Convert to fraction form
    2,651.58/3,659.15 = 1,472.65/x
  3. Step 3: Cross multiply
    2,651.58x = 3,659.15 × 1,472.65
  4. Step 4: Simplify right side
    2,651.58x = 5,388,647.25
  5. Step 5: Solve for x
    x = 5,388,647.25/2,651.58
  6. Step 6: Final answer
    x = 2,032.24

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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.