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Finding the Fourth Proportional to 5,610.53, 8,408.91 and 2,800.64

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Solution

The fourth proportional to 5,610.53, 8,408.91 and 2,800.64 is: 4,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.53 : 8,408.91 = 2,800.64 : x
  2. Step 2: Convert to fraction form
    5,610.53/8,408.91 = 2,800.64/x
  3. Step 3: Cross multiply
    5,610.53x = 8,408.91 × 2,800.64
  4. Step 4: Simplify right side
    5,610.53x = 23,550,329.70
  5. Step 5: Solve for x
    x = 23,550,329.70/5,610.53
  6. Step 6: Final answer
    x = 4,197.52

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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.