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Finding the Fourth Proportional to 2,626.56, 3,928.21 and 2,336.11

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Solution

The fourth proportional to 2,626.56, 3,928.21 and 2,336.11 is: 3,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.56 : 3,928.21 = 2,336.11 : x
  2. Step 2: Convert to fraction form
    2,626.56/3,928.21 = 2,336.11/x
  3. Step 3: Cross multiply
    2,626.56x = 3,928.21 × 2,336.11
  4. Step 4: Simplify right side
    2,626.56x = 9,176,730.66
  5. Step 5: Solve for x
    x = 9,176,730.66/2,626.56
  6. Step 6: Final answer
    x = 3,493.82

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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.