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Finding the Fourth Proportional to 2,415.96, 3,624.21 and 1,028.43

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Solution

The fourth proportional to 2,415.96, 3,624.21 and 1,028.43 is: 1,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.96 : 3,624.21 = 1,028.43 : x
  2. Step 2: Convert to fraction form
    2,415.96/3,624.21 = 1,028.43/x
  3. Step 3: Cross multiply
    2,415.96x = 3,624.21 × 1,028.43
  4. Step 4: Simplify right side
    2,415.96x = 3,727,246.29
  5. Step 5: Solve for x
    x = 3,727,246.29/2,415.96
  6. Step 6: Final answer
    x = 1,542.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.