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Finding the Fourth Proportional to 2,492.62, 3,439.98 and 1,651.86

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Solution

The fourth proportional to 2,492.62, 3,439.98 and 1,651.86 is: 2,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.62 : 3,439.98 = 1,651.86 : x
  2. Step 2: Convert to fraction form
    2,492.62/3,439.98 = 1,651.86/x
  3. Step 3: Cross multiply
    2,492.62x = 3,439.98 × 1,651.86
  4. Step 4: Simplify right side
    2,492.62x = 5,682,365.36
  5. Step 5: Solve for x
    x = 5,682,365.36/2,492.62
  6. Step 6: Final answer
    x = 2,279.68

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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.