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Finding the Fourth Proportional to 8,772.44, 12,105.88 and 4,793.54

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Solution

The fourth proportional to 8,772.44, 12,105.88 and 4,793.54 is: 6,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.44 : 12,105.88 = 4,793.54 : x
  2. Step 2: Convert to fraction form
    8,772.44/12,105.88 = 4,793.54/x
  3. Step 3: Cross multiply
    8,772.44x = 12,105.88 × 4,793.54
  4. Step 4: Simplify right side
    8,772.44x = 58,029,947.50
  5. Step 5: Solve for x
    x = 58,029,947.50/8,772.44
  6. Step 6: Final answer
    x = 6,615.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.