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Finding the Fourth Proportional to 3,562.67, 4,917.85 and 3,188.99

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Solution

The fourth proportional to 3,562.67, 4,917.85 and 3,188.99 is: 4,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.67 : 4,917.85 = 3,188.99 : x
  2. Step 2: Convert to fraction form
    3,562.67/4,917.85 = 3,188.99/x
  3. Step 3: Cross multiply
    3,562.67x = 4,917.85 × 3,188.99
  4. Step 4: Simplify right side
    3,562.67x = 15,682,949.88
  5. Step 5: Solve for x
    x = 15,682,949.88/3,562.67
  6. Step 6: Final answer
    x = 4,402.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.