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Finding the Fourth Proportional to 4,505.52, 6,750.24 and 2,749.60

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Solution

The fourth proportional to 4,505.52, 6,750.24 and 2,749.60 is: 4,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.52 : 6,750.24 = 2,749.60 : x
  2. Step 2: Convert to fraction form
    4,505.52/6,750.24 = 2,749.60/x
  3. Step 3: Cross multiply
    4,505.52x = 6,750.24 × 2,749.60
  4. Step 4: Simplify right side
    4,505.52x = 18,560,459.90
  5. Step 5: Solve for x
    x = 18,560,459.90/4,505.52
  6. Step 6: Final answer
    x = 4,119.49

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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.