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Finding the Fourth Proportional to 3,381.72, 5,074.02 and 2,893.56

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Solution

The fourth proportional to 3,381.72, 5,074.02 and 2,893.56 is: 4,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.72 : 5,074.02 = 2,893.56 : x
  2. Step 2: Convert to fraction form
    3,381.72/5,074.02 = 2,893.56/x
  3. Step 3: Cross multiply
    3,381.72x = 5,074.02 × 2,893.56
  4. Step 4: Simplify right side
    3,381.72x = 14,681,981.31
  5. Step 5: Solve for x
    x = 14,681,981.31/3,381.72
  6. Step 6: Final answer
    x = 4,341.57

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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.