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Finding the Fourth Proportional to 3,216.24, 4,829.82 and 1,758.24

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Solution

The fourth proportional to 3,216.24, 4,829.82 and 1,758.24 is: 2,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.24 : 4,829.82 = 1,758.24 : x
  2. Step 2: Convert to fraction form
    3,216.24/4,829.82 = 1,758.24/x
  3. Step 3: Cross multiply
    3,216.24x = 4,829.82 × 1,758.24
  4. Step 4: Simplify right side
    3,216.24x = 8,491,982.72
  5. Step 5: Solve for x
    x = 8,491,982.72/3,216.24
  6. Step 6: Final answer
    x = 2,640.34

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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.