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Finding the Fourth Proportional to 8,778.44, 13,168.90 and 2,853.43

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Solution

The fourth proportional to 8,778.44, 13,168.90 and 2,853.43 is: 4,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.44 : 13,168.90 = 2,853.43 : x
  2. Step 2: Convert to fraction form
    8,778.44/13,168.90 = 2,853.43/x
  3. Step 3: Cross multiply
    8,778.44x = 13,168.90 × 2,853.43
  4. Step 4: Simplify right side
    8,778.44x = 37,576,534.33
  5. Step 5: Solve for x
    x = 37,576,534.33/8,778.44
  6. Step 6: Final answer
    x = 4,280.55

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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.