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Finding the Fourth Proportional to 6,261.60, 9,408.60 and 5,548.80

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Solution

The fourth proportional to 6,261.60, 9,408.60 and 5,548.80 is: 8,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.60 : 9,408.60 = 5,548.80 : x
  2. Step 2: Convert to fraction form
    6,261.60/9,408.60 = 5,548.80/x
  3. Step 3: Cross multiply
    6,261.60x = 9,408.60 × 5,548.80
  4. Step 4: Simplify right side
    6,261.60x = 52,206,439.68
  5. Step 5: Solve for x
    x = 52,206,439.68/6,261.60
  6. Step 6: Final answer
    x = 8,337.56

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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.