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Finding the Fourth Proportional to 2,752.76, 4,125.25 and 2,133.56

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Solution

The fourth proportional to 2,752.76, 4,125.25 and 2,133.56 is: 3,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.76 : 4,125.25 = 2,133.56 : x
  2. Step 2: Convert to fraction form
    2,752.76/4,125.25 = 2,133.56/x
  3. Step 3: Cross multiply
    2,752.76x = 4,125.25 × 2,133.56
  4. Step 4: Simplify right side
    2,752.76x = 8,801,487.37
  5. Step 5: Solve for x
    x = 8,801,487.37/2,752.76
  6. Step 6: Final answer
    x = 3,197.34

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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.