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Finding the Fourth Proportional to 4,072.76, 5,620.76 and 2,304.71

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Solution

The fourth proportional to 4,072.76, 5,620.76 and 2,304.71 is: 3,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.76 : 5,620.76 = 2,304.71 : x
  2. Step 2: Convert to fraction form
    4,072.76/5,620.76 = 2,304.71/x
  3. Step 3: Cross multiply
    4,072.76x = 5,620.76 × 2,304.71
  4. Step 4: Simplify right side
    4,072.76x = 12,954,221.78
  5. Step 5: Solve for x
    x = 12,954,221.78/4,072.76
  6. Step 6: Final answer
    x = 3,180.70

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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.