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Finding the Fourth Proportional to 2,052.44, 3,076.51 and 955.90

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Solution

The fourth proportional to 2,052.44, 3,076.51 and 955.90 is: 1,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.44 : 3,076.51 = 955.90 : x
  2. Step 2: Convert to fraction form
    2,052.44/3,076.51 = 955.90/x
  3. Step 3: Cross multiply
    2,052.44x = 3,076.51 × 955.90
  4. Step 4: Simplify right side
    2,052.44x = 2,940,835.91
  5. Step 5: Solve for x
    x = 2,940,835.91/2,052.44
  6. Step 6: Final answer
    x = 1,432.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.