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Finding the Fourth Proportional to 3,716.72, 5,542.64 and 3,256.64

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Solution

The fourth proportional to 3,716.72, 5,542.64 and 3,256.64 is: 4,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.72 : 5,542.64 = 3,256.64 : x
  2. Step 2: Convert to fraction form
    3,716.72/5,542.64 = 3,256.64/x
  3. Step 3: Cross multiply
    3,716.72x = 5,542.64 × 3,256.64
  4. Step 4: Simplify right side
    3,716.72x = 18,050,383.13
  5. Step 5: Solve for x
    x = 18,050,383.13/3,716.72
  6. Step 6: Final answer
    x = 4,856.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.