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Finding the Fourth Proportional to 3,765.52, 5,648.56 and 1,168.44

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Solution

The fourth proportional to 3,765.52, 5,648.56 and 1,168.44 is: 1,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.52 : 5,648.56 = 1,168.44 : x
  2. Step 2: Convert to fraction form
    3,765.52/5,648.56 = 1,168.44/x
  3. Step 3: Cross multiply
    3,765.52x = 5,648.56 × 1,168.44
  4. Step 4: Simplify right side
    3,765.52x = 6,600,003.45
  5. Step 5: Solve for x
    x = 6,600,003.45/3,765.52
  6. Step 6: Final answer
    x = 1,752.75

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1.5x scale

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.