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Finding the Fourth Proportional to 2,178.52, 3,266.79 and 1,301.41

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Solution

The fourth proportional to 2,178.52, 3,266.79 and 1,301.41 is: 1,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.52 : 3,266.79 = 1,301.41 : x
  2. Step 2: Convert to fraction form
    2,178.52/3,266.79 = 1,301.41/x
  3. Step 3: Cross multiply
    2,178.52x = 3,266.79 × 1,301.41
  4. Step 4: Simplify right side
    2,178.52x = 4,251,433.17
  5. Step 5: Solve for x
    x = 4,251,433.17/2,178.52
  6. Step 6: Final answer
    x = 1,951.52

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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.