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Finding the Fourth Proportional to 2,893.72, 4,343.04 and 1,251.52

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Solution

The fourth proportional to 2,893.72, 4,343.04 and 1,251.52 is: 1,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.72 : 4,343.04 = 1,251.52 : x
  2. Step 2: Convert to fraction form
    2,893.72/4,343.04 = 1,251.52/x
  3. Step 3: Cross multiply
    2,893.72x = 4,343.04 × 1,251.52
  4. Step 4: Simplify right side
    2,893.72x = 5,435,401.42
  5. Step 5: Solve for x
    x = 5,435,401.42/2,893.72
  6. Step 6: Final answer
    x = 1,878.34

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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.