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Finding the Fourth Proportional to 18,247.64, 27,371.46 and 4,396.64

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Solution

The fourth proportional to 18,247.64, 27,371.46 and 4,396.64 is: 6,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.64 : 27,371.46 = 4,396.64 : x
  2. Step 2: Convert to fraction form
    18,247.64/27,371.46 = 4,396.64/x
  3. Step 3: Cross multiply
    18,247.64x = 27,371.46 × 4,396.64
  4. Step 4: Simplify right side
    18,247.64x = 120,342,455.89
  5. Step 5: Solve for x
    x = 120,342,455.89/18,247.64
  6. Step 6: Final answer
    x = 6,594.96

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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.