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Finding the Fourth Proportional to 6,618.56, 9,928.26 and 2,458.46

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Solution

The fourth proportional to 6,618.56, 9,928.26 and 2,458.46 is: 3,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.56 : 9,928.26 = 2,458.46 : x
  2. Step 2: Convert to fraction form
    6,618.56/9,928.26 = 2,458.46/x
  3. Step 3: Cross multiply
    6,618.56x = 9,928.26 × 2,458.46
  4. Step 4: Simplify right side
    6,618.56x = 24,408,180.44
  5. Step 5: Solve for x
    x = 24,408,180.44/6,618.56
  6. Step 6: Final answer
    x = 3,687.84

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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.