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Finding the Fourth Proportional to 2,402.95, 3,314.73 and 1,408.04

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Solution

The fourth proportional to 2,402.95, 3,314.73 and 1,408.04 is: 1,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.95 : 3,314.73 = 1,408.04 : x
  2. Step 2: Convert to fraction form
    2,402.95/3,314.73 = 1,408.04/x
  3. Step 3: Cross multiply
    2,402.95x = 3,314.73 × 1,408.04
  4. Step 4: Simplify right side
    2,402.95x = 4,667,272.43
  5. Step 5: Solve for x
    x = 4,667,272.43/2,402.95
  6. Step 6: Final answer
    x = 1,942.31

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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.