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Finding the Fourth Proportional to 6,201.64, 8,559.72 and 3,550.57

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Solution

The fourth proportional to 6,201.64, 8,559.72 and 3,550.57 is: 4,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.64 : 8,559.72 = 3,550.57 : x
  2. Step 2: Convert to fraction form
    6,201.64/8,559.72 = 3,550.57/x
  3. Step 3: Cross multiply
    6,201.64x = 8,559.72 × 3,550.57
  4. Step 4: Simplify right side
    6,201.64x = 30,391,885.04
  5. Step 5: Solve for x
    x = 30,391,885.04/6,201.64
  6. Step 6: Final answer
    x = 4,900.62

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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.