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Finding the Fourth Proportional to 3,709.26, 5,118.84 and 2,530.71

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Solution

The fourth proportional to 3,709.26, 5,118.84 and 2,530.71 is: 3,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.26 : 5,118.84 = 2,530.71 : x
  2. Step 2: Convert to fraction form
    3,709.26/5,118.84 = 2,530.71/x
  3. Step 3: Cross multiply
    3,709.26x = 5,118.84 × 2,530.71
  4. Step 4: Simplify right side
    3,709.26x = 12,954,299.58
  5. Step 5: Solve for x
    x = 12,954,299.58/3,709.26
  6. Step 6: Final answer
    x = 3,492.42

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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.