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Finding the Fourth Proportional to 12,023.32, 18,044.28 and 8,351.32

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Solution

The fourth proportional to 12,023.32, 18,044.28 and 8,351.32 is: 12,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.32 : 18,044.28 = 8,351.32 : x
  2. Step 2: Convert to fraction form
    12,023.32/18,044.28 = 8,351.32/x
  3. Step 3: Cross multiply
    12,023.32x = 18,044.28 × 8,351.32
  4. Step 4: Simplify right side
    12,023.32x = 150,693,556.45
  5. Step 5: Solve for x
    x = 150,693,556.45/12,023.32
  6. Step 6: Final answer
    x = 12,533.44

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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.