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Finding the Fourth Proportional to 3,323.40, 4,988.61 and 2,446.90

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Solution

The fourth proportional to 3,323.40, 4,988.61 and 2,446.90 is: 3,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.40 : 4,988.61 = 2,446.90 : x
  2. Step 2: Convert to fraction form
    3,323.40/4,988.61 = 2,446.90/x
  3. Step 3: Cross multiply
    3,323.40x = 4,988.61 × 2,446.90
  4. Step 4: Simplify right side
    3,323.40x = 12,206,629.81
  5. Step 5: Solve for x
    x = 12,206,629.81/3,323.40
  6. Step 6: Final answer
    x = 3,672.93

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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.