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Finding the Fourth Proportional to 18,223.92, 27,336.42 and 12,023.64

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Solution

The fourth proportional to 18,223.92, 27,336.42 and 12,023.64 is: 18,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.92 : 27,336.42 = 12,023.64 : x
  2. Step 2: Convert to fraction form
    18,223.92/27,336.42 = 12,023.64/x
  3. Step 3: Cross multiply
    18,223.92x = 27,336.42 × 12,023.64
  4. Step 4: Simplify right side
    18,223.92x = 328,683,272.97
  5. Step 5: Solve for x
    x = 328,683,272.97/18,223.92
  6. Step 6: Final answer
    x = 18,035.82

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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.