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Finding the Fourth Proportional to 8,395.64, 12,594.56 and 2,771.44

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Solution

The fourth proportional to 8,395.64, 12,594.56 and 2,771.44 is: 4,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.64 : 12,594.56 = 2,771.44 : x
  2. Step 2: Convert to fraction form
    8,395.64/12,594.56 = 2,771.44/x
  3. Step 3: Cross multiply
    8,395.64x = 12,594.56 × 2,771.44
  4. Step 4: Simplify right side
    8,395.64x = 34,905,067.37
  5. Step 5: Solve for x
    x = 34,905,067.37/8,395.64
  6. Step 6: Final answer
    x = 4,157.52

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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.