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Finding the Fourth Proportional to 8,355.67, 12,533.55 and 2,512.60

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Solution

The fourth proportional to 8,355.67, 12,533.55 and 2,512.60 is: 3,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.67 : 12,533.55 = 2,512.60 : x
  2. Step 2: Convert to fraction form
    8,355.67/12,533.55 = 2,512.60/x
  3. Step 3: Cross multiply
    8,355.67x = 12,533.55 × 2,512.60
  4. Step 4: Simplify right side
    8,355.67x = 31,491,797.73
  5. Step 5: Solve for x
    x = 31,491,797.73/8,355.67
  6. Step 6: Final answer
    x = 3,768.91

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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.